Carter Johnson at Sica Hollow State Park in South Dakota
Forest Understory, Warren Keammerer
Badlands National Park
Sheyenne River North Dakota Geology Field Trip
Devils Lake before Flooding
North Dakota Farm Effects of Grazing
Sica Hollow State Park Nebraska and South Dakota
Strawberry Plant Colorado Rocky Mountains
Cushion Plant, Alpine, Colorado Rockies
Alpine Tundra near Niwot Ridge Colorado Rocky Mountains
Alpine Tundra Plant Rocky Mountain Colorado
Sedge Hummocks Colorado Alpine Tundra
Vegetation and Stream Colorado Rocky Mountains
Colorado Rockies
Evergreen Forests in Colorado Rocky Mountains
Dr. John Marr Lecturing to Alpine Ecology Class
Columbine, Colorado State Flower
Cushion Plant, Colorado Alpine
Tiny Primrose Alpine Rocky Mountains
Bristlecone Pine near Timberline James Peak, Colorado
James Peak in Colorado
Colorado Rockies
Alpine tundra in Colorado
Stone nest in Colorado
Bill Lauenroth and Jerry Van Amburg conducting research
Uvularia sessiliflora
Zizia aptera
Fossils on the Iowa River
Prairie Coteau stream
Tall Grass Prairie Coteau
Prairie Coteau
Sanguinaria canadensis
Sanguinaria canadensis
Sanguinaria canadensis
Caltha palustris
Caltha palustris
Arisaema atrorubens
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Research stand on the Missouri River
Ice damaged trees on Missouri River from 1952 flood
Vegetation on old cottonwood at Garrison Reach, North Dakota
Floodplain marsh at Garrison Reach, North Dakota
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
Missouri River at Garrison Reach, North Dakota
Missouri River at Garrison Reach, North Dakota
Hayland near the Missouri River
Garrison Reach of the Missouri River in North Dakota
Garrison Reach of the Missouri River in North Dakota
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Oahe Reservoir backup at Garrison Reach of the Missouri River, North Dakota
Warren Keammerer at Painted Woods Lake
Warren Keammerer changing a flat tire
Shepherdia argentea
Shepherdia argentea
Chrysopsis villosa
Amorpha canescens
Rosa woodsii
Petalostemum purpureum
Ratibida columnifera
Sphaeralcea coccinea
Castilleja sessiliflora
Senecio plattensis
Peronychia sessiliflora
Vegetation on fallen cottonwood
Sagittaria cuneata
Hieraciium canadense
Bouteloua curtipendula
Spartina pectinata
Scirpus rubrotinctus
Echinacea angustifolia
Echinacea angustifolia
Yucca glauca
Stipa comata
Missouri River breaks
Ponderosa pine
Large ash tree
Mixed grass prairie
Sandstone buttes
Scirpus validus
Verbena hastata
Echinocystis lobata
Sagittaria in a Marsh
Calochortus nuttallii
Viola pensylvanica
Erigeron glabellus
Actaea rubra green
Oenothera biennis
Asclepias syriaca
Janet Johnson on Blossom Butte
Penstemon albidus
Ratibida columnifera
Missouri River Field Research