Portrait of a young N.E. Hansen wearing a bow tie and a dark jacket

Village nestled in the mountains by the Inland Sea in Japan; written in pencil on the back: Along Inland Sea, Japan 1924

Two Karakul fat tailed sheep were white long haired woolen sheep found in Turkistan that N.E. Hansen urged should be imported to the United States for dry hot regions like Arizona and New Mexico

People standing on the platform by Trans-Siberian Railway in northern China; written in pencil on the back: On Siberian Railway 1924

People on the Trans-Siberian Railway platform by the train in Harbin, China; written in pencil on the back: Hailar 1924

Man walking on the Trans-Siberian Railway platform by the train in Harbin, China; written in pencil on the back: China

Trans-Siberian Railway tracks through the mountains enroute to Saolin in northern China; written in pencil on the back: Railway Saolin 1924

Man hauling dirt in baskets attached to a carrying pole on his shoulders, the dirt is being loaded on to a Trans-Siberian Railway train car near Saolin in northern China; written in pencil on the back: Saolin 1924 North China pear research

Terrain in Mendoche, northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924; written in pencil on the back: Mendoche, North China 1924

Terrain in Mendoche, northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924; written in pencil on the back: Mendoche, North China 1924

Terrain in Mendoche, northern China that N.E. Hansen traveled in is search for hardy peach trees in 1924; written in pencil on the back: Mendoche, North China 1924

People walking on a street toward a temple in Seoul, Korea in 1924; written in pencil on the back: Seoul, Korea 1924

People walking on a street toward a temple in Seoul, Korea in 1924; written in pencil on the back: Seoul, Korea 1924

People walking on a street toward a temple in Seoul, Korea in 1924; written in pencil on the back: Seoul, Korea 1924

Signs hanging over stores in Manzhouli, Manchuria in northern China as viewed from behind a horse; written in pencil on the back: Signs over North Chinese store - Manchouli 1924

Storefronts in Manzhouli, Manchuria in northern China; written in pencil on the back: Manchouli North China 1924

Rickshaw on the street by an ornate storefront in Fushun, Manchuria in northern China; written in pencil on the back: Futachien Manchuria Chinese Store - 1924

Horse-drawn rickshaw carriage on the street by an ornate storefront in Fushun, Manchuria in northern China; written in pencil on the back: Futachien Manchuria Chinese Store - 1924

Soybeans are temporarily stored in covered bins awaiting shipment at Anda in northern China; written in pencil on the back: Soybeans stored ready for shipment at Anda, North China 1924

Soybeans are temporarily stored in covered bins awaiting shipment at Anda in northern China; written in pencil on the back: Soybeans stored ready for shipment at Anda, North China 1924

Signs hanging over stores in Manzhouli, Manchuria in northern China; written in pencil on the back: Manchouli North China 1924

Passengers waiting to board a steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Passengers waiting to board a steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, people are riding bicycles on the dock, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, a porter is walking on the dock by the ship, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

Passengers waiting to board a steamer ship by the dock at the port in Tokyo Bay at Yokahama, Japan, the ship is possibly a steamer ship called the Admiral from a line of ships owned and operated by the United States government; written in pencil on the back: Yokohama 1924

South Dakota Agricultural Experiment Station display featuring examples of new hybrid plums, ornamentals, and crossing and selection work of N.E. Hansen

Ship on the Inland Sea in Japan; written in pencil on the back: Ships on Inland Sea, Japan 1924

Ships in Tokyo Bay at Yokahama, Japan; written in pencil on the back: Yokohama 1924

View of ships at port in Tokyo Bay at Yokahama, Japan from the shore; written in pencil on the back: Yokohama 1924

View of ships at port in Tokyo Bay at Yokahama, Japan from the shore; written in pencil on the back: Yokohama 1924

Ships at port in Tokyo Bay at Yokahama, Japan; written in pencil on the back: Yokohama 1924

Ship in Tokyo Bay at Yokahama, Japan; written in pencil on the back: Yokohama 1924

Dead trees on the Trans-Siberian Railway enroute to Saolin in northern China; written in pencil on the back: On Siberian Railway enroute to Saolin 1924 North China

Valley of the Da Hinggan mountain range in northern China where the Trans-Siberian Railway runs, there are buildings in the foreground; written in pencil on the back: In Hinggan North China in mountains 1924

View of a river in a valley of the Da Hinggan mountain range in northern China; written in pencil on the back: In Hinggan North China mountains 1924

Man pulling a rickshaw down a street in Fushun, Manchuria in northern China; written in pencil on the back: Futachien 1924

Rickshaw man wearing a traditional hat is with his rickshaw on the street at Yokohama, Japan, note that he is barefoot; written in pencil on the back: Yokohama 1924

Crowds of people gathered on the campus of South Dakota State College to attend the recognition service for Dr. N.E. Hansen

People gathered between the Horticulture Building and the Administration Building for the recognition service for Dr. N.E. Hansen on the campus of South Dakota State College

Crowds of people gathered for a reception for the recognition service for Dr. N.E. Hansen n the campus of South Dakota State College

Crowds of people gathered for a reception for the recognition service for Dr. N.E. Hansen n the campus of South Dakota State College

Unveiling of the rock and bronze tablet commemorating Dr. N.E. Hansen's work, it was located in between the Administration Building and the Horticulture Building; left to right: unknown man, Frank Cundill, South Dakota State College President Leinbach; Governor Mickelson; Dr. Hansen; Carl Hansen; Harry Dory; and Lucille Dory

South Dakota Governor Mickelson congratulates Dr. N.E. Hansen on his long-time term of service at South Dakota State College and his distinguished work as a plant breeder as he addresses a crowd of 250 relatives, friends, and associates during the ceremonies commemorating the achievements of Dr. Hansen in the field of horticulture, this occurred in front of Lincoln Memorial Library

People gathered in front of Lincoln Memorial Library listening to speakers during the recognition service for Dr. N.E. Hansen on the campus of South Dakota State College

Monument dedicated to N.E. Hansen in recognition to his service to South Dakota State College, it was located in between the Administration Building and the Horticulture Building; the bronze citation reads: 'South Dakota State College seeks to perpetuate the memory of its long-time fruit and plant breeder: Niels Ebbesen Hansen. Born at Rebe, Denmark, January 4, 1866, came to the United States in 1873. Made Professor of Horticulture of South Dakota State College in 1895; Professor Emeritus in 1937. A world traveler and collector of plants, he developed drought resistant verities of fruits, flowers, and grasses for the Great Plains. His efforts provided the people of the Great Plains the means through which they enjoy a better living. August 25, 1959.' The rock was donated by Jno E. Gueffroy from near Colman, South Dakota. It is approximately 4.5 feet tall, 4.5 feet wide, with a 26 inch base.

N.E. Hansen responds when the monument erected in his honor was unveiled at South Dakota State College; left to right: State College President Leinbach, Governor Mickelson, Dr. Hansen, Carl Hansen, Lucille Dory

People gathered between the Horticulture Building and the Administration Building for the recognition service for Dr. N.E. Hansen on the campus of South Dakota State College

Dr. N.E. Hansen seated at a table visiting with guests at the recognition service his honor on the campus of South Dakota State College

Rock and bronze tablet commemorating Dr. N.E. Hansen's work; left to right: South Dakota State College President Leinbach; Lucille Dory, member of the Board of Regents; Governor Mickelson; Dr. Hansen; Frank Cundill, member of the Board of Regents; A. M. Eberle, Dean of Agriculture; and Arlington Eddy, chairman of arrangements.

Crowds of people gathered for a reception for the recognition service for Dr. N.E. Hansen n the campus of South Dakota State College

People seated in folding chairs and the grass in front of Lincoln Memorial Library on the campus of South Dakota State College to hear Carl Hansen speak during the recognition service for Dr. N.E. Hansen for his work in horticulture

Man walking down the stairs at the railway station in Saolin in northern China, a young girl is standing at the foot of the stairs; written in pencil on the back: Railway station Saolin North China 1924

Portrait of Professor N.E. Hansen

Professor N.E. Hansen stand in ornamental grass at the horticulture grounds of South Dakota State College, the classroom building (right) and the Horticulture building (behind Hansen) are visible in the background

Transmission lines on the Trans-Siberian Railway enroute to Saolin in northern China; written in pencil on the back: On Siberian Railway enroute to Saolin 1924 North China

Porters lifting iron pipes at the port on Tokyo Bay at Yokohama, Japan; written in pencil on the back: Porters lifting iron pipes at Yokohama 1924

Point on the Inland Sea in Japan; written in pencil on the back Point on Inland Sea, Japan 1924

Saxofragaceae Dumort. Ribes manshuricum (Max.) Kom. Plant specimen collected by N.E. Hansen, 1924. Saxifragaceae are found mostly in the Northern Hemisphere, with centers of diversity in the Himalayas, East Asia, and Western North America. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Saxifragaceae Dumort. Deutzia parviflora Bunge. Plant specimen collected by N.E. Hansen, 1924. Saxifragaceae are found mostly in the Northern Hemisphere, with centers of diversity in the Himalayas, East Asia, and Western North America. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in blank ink.

Rosaceae B. Juss. Spirea media Schmidt. Plant specimen collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in blank ink.

Rosaceae B. Juss. Spirea Chamaedrifolia L. Common name germander meadowsweet or elm-leaved spirea. Plant specimen collected by N.E. Hansen, 1924. Spiraea chamaedryfolia is a shrub reaching a height of 1–1.5 meters (3 feet 3 inches–4 feet 11 inches). Branchlets are brownish or red-brown. Leaves are simple, oblong or lance-shaped, toothed on the edges, 40–60 millimeters (1.6–2.4 inches) long and 10–30 millimeters (0.39–1.18 inches) wide, with a petiole of 4–7 millimeters. The white flowers of 6–9 millimeters in diameter grow in spike-like clusters at the ends of the branches. Flowering period extends from May to September. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Rosaceae B. Juss. Spirea Chamaedrifolia L. Common name germander meadowsweet or elm-leaved spirea. Plant specimen collected by N.E. Hansen, 1924. Spiraea chamaedryfolia is a shrub reaching a height of 1–1.5 meters (3 feet 3 inches–4 feet 11 inches). Branchlets are brownish or red-brown. Leaves are simple, oblong or lance-shaped, toothed on the edges, 40–60 millimeters (1.6-2.4 inches) long and 10-30 millimeters (0.39-1.18 inches) wide, with a petiole of 4-7 millimeters. The white flowers of 6-9 millimeters in diameter grow in spike-like clusters at the ends of the branches. Flowering period extends from May to September. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Rosaceae B. Juss. Pyrus ussuriensis Max +P. Sinensis Lindl. Plant specimen collected by N.E. Hansen, 1924, also known as the Ussurian pear, Harbin pear, and Manchurian pear, is a species of flowering plant in the family Rosaceae. It is native to Korea, Japan, and the Ussuri River area of far eastern Russia. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in blank ink.

Rosaceae B. Juss. Prunus padus L. Plant specimen collected by N.E. Hansen, 1924, also known as bird cherry, hackberry, hagberry, or Mayday tree, is a species of cherry, native to norther Europe and northern Asia. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label with hand-written notation in pencil ink.

Rosaceae B. Juss. Micromeles alnifolia Koehne. Plant specimen collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in blank ink.

Prunus persica. Dbl. fl. Peach. Kaises VII. Plant specimen collected by N.E. Hansen, 1924. The peach (Prunus persica) is a deciduous tree native to the region of Northwest China between the Tarim Basin and the north slopes of the Kunlun Shan mountains, where it was first domesticated and cultivated. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label with hand-written notation in pencil ink.

Primulaceae Vent. Primula. Plant specimen collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants.

Pinus pungens, also called Table Mountain Pine, hickory pine, prickly pine or mountain pine. This small pine is native to the Appalachian Mountains in the United States. Plant specimen collected by C.S. Sargent, 1912, first director of the Arnold Arboretum, Herbarium of Iowa College of Agriculture and Mechanic Arts, Ames, Iowa. N.E. Hansen graduated from Iowa State College with a bachelor's degree in horticulture in 1887. It is likely Hansen obtained this specimen during his time at the college. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label with hand-written notation in pencil ink.

Caprifoliaceae Vent. Lonicera Maacki Turcr. Plant specimen from the honeysuckle family collected by N.E. Hansen, 1924. This plant is native to temperate western Asia, specifically in northern and western China south to Yunnan, Mongolia, Primorsky Krai in southeastern Russia, Korea, and, albeit rare there, central and northern Honshu, Japan. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants.

Caprifoliaceae Vent. Lonicera edulis Turcr. Plant specimen from the honeysuckle family collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Aceraceae Neck. Acer Tomentosum Max. Plant specimen from the maple family collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Aceraceae Neck. Acer Mons Max. Plant specimen from the maple family collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Aceraceae Neck. Acer Mairunduense ? et Mey.. Plant specimen from the maple family collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Aceraceae Neck. Acer Ginnala Max. Plant specimen from the maple family collected by N.E. Hansen, 1924. N.E. Hansen (1866-1950) was a Danish-American horticulturist and botanist who was a pioneer in plant breeding. Hansen came to South Dakota in 1895 and became the first head of the Horticultural Department of South Dakota State College. He also served as agricultural explorer for the United States Department of Agriculture. He searched for hardy grasses, fruits, and other plants throughout Europe and Asia and brought them back to the United States to raise or crossbreed with American varieties to produce hardy plants. Specimen is mounted on an 11.5 x 16.5 inch herbarium sheet accompanied by a label printed in Russian in Cyrillic letter with hand-written notation in black ink.

Pear tree in the mountains was photographed as an example during N.E. Hansen's research on pears at Saolin in northern China; written in pencil on the back: Saolin, China my headquarters fro pears in the mountains 1924

Tree surrounded by a small lattice fence in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Garden feature by a small lattice fence in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Child running by the ornamental plantings surrounded by a fence in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Ornamental plantings surrounded by a fence in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Ornamental plantings surrounded by a fence in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Ornamental plantings in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Ornamental plantings and statuary in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Man standing by some ornamental plantings in a park in Harbin, China; written in pencil on the back: Park at Harbin 1924

Ornate sign hanging over store in Manzhouli, Manchuria in northern China; written in pencil on the back: Manchouli North China 1924

Ornate designs on a building in Manzhouli, Manchuria in northern China; written in pencil on the back: Manchouli North China 1924

N.E. Hansen's headquarters while conducting pear research at Saolin in northern China; written in pencil on the back: Saolin, China my headquarters for pears in the mountains 1924

N.E. Hansen's mountain headquarters is nestled in the trees while conducting pear research at Saolin in northern China; written in pencil on the back: Saolin, China my headquarters fro pears in the mountains 1924

N.E. Hansen's mountain headquarters is nestled in the trees while conducting pear research at Saolin in northern China; written in pencil on the back: Saolin, China my headquarters fro pears in the mountains 1924

N.E. Hansen's assistants gather specimens in their search for hardy peach trees in Mendoche in northern China in 1924, one man is holding a gun; written in pencil on the back: Mendoche, North China 1924

Four of N.E. Hansen's assistants stand by a horse-drawn wagon by a building at Mendoche before they begin a search for hardy peach trees in northern China; written in pencil on the back: Mendoche 1924 North China

N.E. Hansen (wearing hat) is with friends in Brookings, South Dakota; writing on the back: S.D. plant wizard and friends Brookings 5-19-39 compliments York Sampson

N.E. Hansen is standing behind a man with a carrying pole on his shoulders and two baskets full of pears at Hansen's headquarters while conducting pear research at Saolin in northern China, there are two men accompanying them; written in pencil on the back: North China 1924

N.E. Hansen is standing behind a man with a carrying pole on his shoulders and two baskets full of pears at Hansen's headquarters while conducting pear research at Saolin in northern China, there are two men accompanying them, another man stands off to the left; written in pencil on the back: North China 1924

N.E. Hansen standing by a fruit tree on the campus of South Dakota State College that was part of Hansen's research on fruit

N.E. Hansen looking at a fruit tree on the campus of South Dakota State College that was part of Hansen's research on fruit

N.E. Hansen looking at a fruit tree on the campus of South Dakota State College that was part of Hansen's research on fruit

N.E. Hansen standing by a fruit tree on the campus of South Dakota State College that was part of Hansen's research on fruit