- UA053_068_0127
- 1969
Part of W. Carter Johnson Papers
Flowers of Acer negundo, the boxelder tree.
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Bill Lauenroth and Jerry Van Amburg conducting research
- UA053_068_0123
- 1969
Part of W. Carter Johnson Papers
Bill Lauenroth and Jerry Van Amburg conducting research in a grove of trees.
- UA053_068_0157
- 1970
Part of W. Carter Johnson Papers
Trees in the Buffalo River Forest.
Clearing at Garrison Reach, North Dakota
- UA053_068_0232
- 1969
Part of W. Carter Johnson Papers
Dead trees in a clearing at Garrison Reach in North Dakota.
Emergent cottonwood at Garrison Reach of the Missouri River, North Dakota
- UA053_068_0250
- 1969
Part of W. Carter Johnson Papers
Emergent cottonwood trees at stand number 12 sampled by Carter Johnson during his doctoral research on the Missouri River floodplain at Garrison Reach.
Ice damaged trees on Missouri River from 1952 flood
- UA053_068_0226
- 1969
Part of W. Carter Johnson Papers
Trees were damaged by ice during the record 1952 flood at a research stand across from the Missouri River near Washburn, North Dakota.
- UA053_068_0134
- 1970
Part of W. Carter Johnson Papers
Quercus macrocarpa (Bur oak) vegetation in Sieche Hollow State Park in northeast South Dakota.
- UA053_068_0131
- 1970
Part of W. Carter Johnson Papers
Sieche Hollow State Park in northeast South Dakota, home of a relict population of sugar maple (Acer saccharum).
Sieche Hollow State Park, South Dakota
- UA053_068_0154
- 1970
Part of W. Carter Johnson Papers
Forest in Sieche Hollow State Park near Sisseton, South Dakota.