|
Detail of ash, young trees killed |
United States, Colorado |
1922-09-30 |
|
Detail of grassland, Muhlenbergia, grama |
United States, Colorado |
1922-10-10 |
|
Effect of disking in 1885, as 4 |
United States, Kansas |
1922-10-07 |
|
Excellent stand of Erotia lanata |
United States, Colorado |
1922-10-10 |
|
Natural veg., listed p38 of text |
United States, Kansas |
1922-10-07 |
|
Profile of soil |
United States, Kansas |
1922-10-07 |
|
Pure buffalo grama sod, reestablish |
United States, Kansas |
1922-10-07 |
|
Pure short grass cover, old path |
United States, Colorado |
1922-10-05 |
|
Pure short grass cover, old path, showing cattle path |
United States, Colorado |
1922-10-05 |
|
Shaded, lime occurs 12 inches |
United States, Kansas |
1922-10-07 |
|
Soil section |
United States, Colorado |
1922-10-03 |
|
Tree claim recently grazed |
United States, Colorado |
1922-09-30 |
|
Type of soil in columnar struct. |
United States, Kansas |
1922-10-05 |
|
Type of soil in columnar struct. |
United States, Kansas |
1922-10-05 |
|
Typical short grass |
United States, Colorado |
1922-10-02 |
|
Veg. on prairie |
United States, Kansas |
1922-10-07 |
