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Hummocky ground on North Dakota farm.
Hummocky Ground, North Dakota Farm
Road cut exposing glacial till in central North Dakota.
Road Cut Exposing Glacial Till
Ancient shoreline marked by exposed rocks in North Dakota.
Ancient Shoreline Marked by Exposed Rocks
Glacial till in central North Dakota road cut.
Glacial Till, Central North Dakota
Effect of grazing on North Dakota farm.
North Dakota Farm Effects of Grazing
Glacial till in central North Dakota road cut.
Glacial Till Exposed at Road Cut
Rolling field in central North Dakota.
Rolling Field
Pedicularis canadensis (Canadian wood betony) vegetation in North Dakota.
Pedicularis canadensis
Allium tricoccum vegetation in North Dakota.
Allium tricoccum
Prairie smoke (Geum triflorum) in North Dakota prairie.
Geum triflorum
Lithospermum canescens in North Dakota.
Lithospermum canescens
Cystopteris fragilis in North Dakota.
Cystopteris fragilis
Pasque flower (Anemone patens) in North Dakota prairie.
Anemone patens
Pasque flower (Anemone patens) in North Dakota prairie.
Anemone patens
Uvularia grandiflora vegetation in North Dakota.
Uvularia grandiflora
Uvularia grandiflora vegetation in North Dakota.
Uvularia grandiflora
Dicentra cucullaria vegetation in North Dakota.
Dicentra cucullaria
Dicentra cucullaria vegetation in North Dakota.
Dicentra cucullaria
Dicentra cucullaria vegetation in North Dakota.
Dicentra cucullaria
W. Carter Johnson and Warren's research stands numbered 1-34.
Research stand
Research stand #2 destroyed by backup flooding of Oahe Reservoir on the Missouri River.
Research stand on the Missouri River
Reach stand # 4 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Floodplain forest research near the Garrison dam on the Missouri River.
Floodplain forest research on the Missouri River
Floodplain forest research near the Garrison dam on the Missouri River.
Floodplain forest research on the Missouri River
Reach stand # 4 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Research stand #8 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Research stand #6 on the Missouri River.
Research stand on the Missouri River
Research stand #3 on the Missouri River.
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Fall Celastrus vegetation at research stand #11 near the Garrison dam on the Missouri River.
Fall Celatrus at research stand on the Missouri River
Research stand #10 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Research stand #3 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Research stand #1 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Research stand #6 near the Garrison dam on the Missouri River.
Research stand on the Missouri River
Mid-successional cottonwood forest with ash in the understory along the Missouri River at Garrison Reach in North Dakota.
Cottonwood forest at Garrison Reach, North Dakota
Vegetation growing on old cottonwood tree at Garrison Reach in North Dakota.
Vegetation on old cottonwood at Garrison Reach, North Dakota
Old cottonwood stand at Garrison Reach in North Dakota.
Old cottonwood stand at Garrison Reach, North Dakota
Dead trees in a clearing at Garrison Reach in North Dakota.
Clearing at Garrison Reach, North Dakota
Early successional forest dominated by cottonwood, about 20 years old, at Garrison Reach near the Missouri River in North Dakota.
Young cottonwood stand at Garrison Reach, North Dakota
Old cottonwood stand at Garrison Reach in North Dakota.
Old cottonwood stand at Garrison Reach, North Dakota
Marsh on the floodplain at the Garrison Reach of the Missouri River in North Dakota.
Floodplain marsh at Garrison Reach, North Dakota
Liana grape vines on ash trees along the Garrison Reach of the Missouri River in North Dakota.
Liana grape vines on ash trees at Garrison Reach, North Dakota
These wet former branch cavities are habitat for insects, tree frogs, and a water source for birds at Garrison Reach of the Missouri River in North Dakota.
Hole in a cottonwood tree
Missouri at Garrison Reach in North Dakota.
Missouri River at Garrison Reach, North Dakota
Marsh on the floodplain at the Garrison Reach of the Missouri River in North Dakota.
Floodplain marsh at Garrison Reach, North Dakota
Marsh on the floodplain at the Garrison Reach of the Missouri River in North Dakota.
Floodplain marsh at Garrison Reach, North Dakota
Large American elm trees at the Garrison Reach of the Missouri River in North Dakota. The truck in the background is the field vehicle used by Carter Johnson and Warren Keammerer.
Large American Elms at Garrison Reach, North Dakota
Marsh on the floodplain at the Garrison Reach of the Missouri River in North Dakota.
Floodplain marsh at Garrison Reach, North Dakota
River bank on the Missouri at Garrison Reach, North Dakota
River bank on the Missouri at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota in the fall.
Garrison Reach of the Missouri River in North Dakota
Floodplain understory vegetation at Garrison Reach of the Missouri River in North Dakota.
Floodplain understory at Garrison Reach of the Missouri River, North Dakota
Missouri River at Garrison Reach, North Dakota
Missouri River at Garrison Reach, North Dakota
Painted woods at Garrison Reach of the Missouri River in North Dakota.
Painted woods at Garrison Reach of the Missouri River in North Dakota.
Missouri River at Garrison Reach in North Dakota.
Missouri River at Garrison Reach, North Dakota
Emergent cottonwood trees at stand number 12 sampled by Carter Johnson during his doctoral research on the Missouri River floodplain at Garrison Reach.
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Dense canopy of later successional stage cottonwood forests near stand #12 in the floodplain at Garrison Reach of the Missouri River in North Dakota.
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Emergent cottonwood trees at Garrison Reach of the Missouri River in North Dakota. This image clearly shows how much taller old cottonwood trees are compared to the later successional stage. This exposure to storms causes wind damage and sometimes tree fall to emergent cottonwoods.
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Expansive floodplain forests at the Garrison Reach of the Missouri River.
Floodplain forests on the Missouri River
Expensive nature of cottonwood forests on the Missouri River floodplain at Garrison Reach in North Dakota.
Missouri River floodplain at Garrison Reach in North Dakota
Ash canopy in the Painted Woods at the Garrison Reach of the Missouri River in North Dakota.
Ash canopy in the Painted Woods
Wet sandbars along the Garrison Reach of the Missouri River in North Dakota.
West sand bars on the Missouri River
Looking west at a river channel and sandbars at the Garrison Reach of the Missouri River.
Missouri River at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota in the fall.
Missouri River at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota.
Missouri River at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota.
Missouri River at Garrison Reach, North Dakota
Sandbars, river channel, and border of dense cottonwood forest at the Garrison Reach of the Missouri River in North Dakota.
Missouri River at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota in the fall.
Missouri River at Garrison Reach, North Dakota
Garrison Reach of the Missouri River in North Dakota in the fall.
Missouri River at Garrison Reach, North Dakota
Missouri River breaks on the western side of the Garrison Reach on the Missouri River in North Dakota.
Missouri River at Garrison Reach, North Dakota
Hayland near the Garrison Reach of the Missouri River in North Dakota.
Hayland near the Missouri River
Sandbar, channel, and view of western side of river including river breaks of the Garrison Reach of the
Missouri River at Garrison Reach, North Dakota
Trees flooded from the backup at Oahe Reservoir at Garrison Reach of the Missouri River in North Dakota.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Hayland near the Garrison Reach of the Missouri River in North Dakota.
Hayland near the Missouri River
Garrison Reach of the Missouri River in North Dakota, possibly near Washburn where the river turns to the west.
Garrison Reach of the Missouri River in North Dakota
Garrison Reach of the Missouri River in North Dakota in the fall.
Garrison Reach of the Missouri River in North Dakota
Flooded forests at Garrison Reach of the Missouri River in North Dakota when Oahe Reservoir was filled. Surface water and groundwater levels had been increasing south of Bismarck due to sedimentation and flow backup. These trees photographed in 1969 most certainly died soon after.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Trees flooded from the backup at Oahe Reservoir at Garrison Reach of the Missouri River in North Dakota.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Trees eventually killed by the backup of the Missouri River at Garrison Reach, south of Bismarck, North Dakota when the Oahe Reservoir was filled.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Water backup of the Missouri River at Garrison Reach, south of Bismarck, North Dakota when the Oahe Reservoir was filled.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Water backup of the Missouri River at Garrison Reach, south of Bismarck, North Dakota when the Oahe Reservoir was filled.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Surface water flooding of the Missouri River at Garrison Reach, south of Bismarck, North Dakota when the Oahe Reservoir was filled.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
J. Dodd and B. Lauenroth, fellow graduate students at North Dakota State University with W. Carter Johnson.
J. Dodd and B. Lauenroth, graduate students at NDSU
Warren R. Keammerer standing in melilotus at stand #8 in Garrison Reach in North Dakota.
Warren Keammerer standing in Melilotus
Water backup of the Missouri River at Garrison Reach, south of Bismarck, North Dakota when the Oahe Reservoir was filled.
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Warren R. Keammerer, who was Carter's graduate student colleague, working on the Missouri River forests at Painted Woods Lake in the Garrison Reach in North Dakota.
Warren Keammerer at Painted Woods Lake
Lygodesmia juncea, also known as Skeleton weed, at Garrison Reach on the Missouri River in North Dakota.
Lygodesmia juncea
Warren R. Keammerer is changing the tire of field vehicle used in river research.
Warren Keammerer changing a flat tire
Shepherdia argentea, also known as Buffalo berry, at Garrison Reach on the Missouri River in North Dakota.
Shepherdia argentea
Eleagnus angustifolia at Garrison Reach on the Missouri River in North Dakota.
Eleagnus angustifolia
Eleagnus angustifolia at Garrison Reach on the Missouri River in North Dakota.
Eleagnus angustifolia
Lysimachia ciliata at Garrison Reach on the Missouri River in North Dakota.
Lysimachia ciliata
Convolvulus sepium at Garrison Reach on the Missouri River in North Dakota.
Convolvulus sepium
Apocynum sibericum, also known as Dogbane, at Garrison Reach on the Missouri River in North Dakota.
Apocynum sibericum
Shepherdia argentea, also known as Buffalo berry, at Garrison Reach on the Missouri River in North Dakota.
Shepherdia argentea
Helianthus annuus at Garrison Reach on the Missouri River in North Dakota.
Helianthus annuus
Convolvulus arvensis at Garrison Reach on the Missouri River in North Dakota.
Convolvulus arvensis
Rhus radicans, also known as Poison ivy, is a dominant understory plant in Missouri River forests, especially later successional ones. Photographed at Garrison Reach in North Dakota.
Rhus radicans
Chrysopsis villosa at Garrison Reach on the Missouri River in North Dakota.
Chrysopsis villosa
Gaura coccinea at Garrison Reach on the Missouri River in North Dakota.
Gaura coccinea
Stina viridula at Garrison Reach on the Missouri River in North Dakota.
Stina viridula
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