|
Apple |
United States, Colorado |
1912-08-23 |
|
Apple |
United States, Colorado |
1912-08-24 |
|
Apache teepee, soil alkali |
United States, Arizona |
1921-06-03 |
|
Apache Indians |
United States, Arizona, Coolidge Dam |
1932-06-05 |
|
Apache Indians |
United States, Arizona |
1932-06-05 |
|
Apache Indian hogan |
United States, Arizona, Coolidge Dam |
1932-06-05 |
|
Apache Indian hogan |
United States, Arizona, Coolidge Dam |
1932-06-05 |
|
Apache hogan |
United States, Arizona |
1932-06-05 |
|
Antennaria, Grama, Yellow Pine |
United States, Arizona, Grand View |
1918-07-25 |
|
Antennaria, Grama, Yellow Pine |
United States, Arizona, Grand View |
1918-07-25 |
|
Antennaria, Bouteloua gracilis, Oak |
United States, Arizona, Grand View |
1918-07-25 |
|
Antennaria |
United States, Arizona, Kaibab, V.T. Ranch |
1929-06-28 |
|
Ant hill, huts |
Democratic Republic of the Congo |
1920-02-09 |
|
Ant Hill |
United States, Colorado |
1916-07-22 |
|
Ant Hill |
United States, Colorado |
1916-07-22 |
|
Ant hill |
Zambia, Kafue River |
1919-11-20 |
|
Ant hill |
United States, Utah |
1925-09-21 |
|
Anogra, Sporobolus airoides |
United States, Utah |
1926-06-08 |
|
Anogra Sand Creek |
United States, Colorado |
1915-08-16 |
|
Annual salicornia |
United States, Utah |
1912-08-06 |
|
Annona with ants nest |
South Africa, Mpumalanga |
1919-10-18 |
|
Andropogon veg., Erigeron |
United States, Maryland |
1917-01-14 |
|
Andropogon scoparius, Andropogon hallii |
United States, New Mexico |
1916-10-07 |
|
Andropogon overgrown gun mounting |
Tanzania |
1920-03-27 |
|
Andropogon only where favored, and in succession stages, Dup. P-7-1908 |
United States, Colorado |
1940-06-15 |
|
Andropogon only where favored, and in succession stages |
United States, Colorado |
1940-06-15 |
|
Andropogon only where favored, and in succession stages |
United States, Colorado |
1940-06-15 |
|
Andropogon only where favored, and in succession stages |
United States, Colorado |
1940-06-15 |
|
Andropogon hallii, etc. |
United States, Colorado |
1914-07-17 |
|
Andropogon Hallii |
United States, Colorado |
1911-09-13 |
|
Andropogon and trees |
Tanzania |
1920-03-28 |
|
Andropogon |
United States, New Mexico |
1917-11-28 |
|
Andropogon |
Tanzania |
1920-03-28 |
|
Andropogon |
Tanzania |
1920-03-28 |
|
Andropogen scoparius, Andropogon hallii |
United States, New Mexico |
1916-10-07 |
|
Andropogen scoparius, Andropogon hallii |
United States, New Mexico |
1916-10-07 |
|
Andropogen scoparius, Andropogon hallii |
United States, New Mexico |
1916-10-07 |
|
Anarcardium occidentale |
Mozambique |
1919-10-25 |
|
An old tree |
Tanzania |
1920-04-08 |
|
An old door |
Tanzania |
1920-04-05 |
|
An ant highway |
Tanzania |
1920-03-27 |
|
American elm at New Willard [Hotel] |
United States, District of Columbia |
1910-10-17 |
|
American elm at New Willard [Hotel] |
United States, District of Columbia |
1910-10-17 |
|
American elm at New Willard [Hotel] |
United States, District of Columbia |
1910-10-17 |
|
American elm at New Willard [Hotel] |
United States, District of Columbia |
1910-10-17 |
|
Amaranthus retroflexus |
United States, Colorado |
1912-09-18 |
|
Amaranthus retroflexus |
United States, Colorado |
1912-09-18 |
|
Amaranthus retroflexus |
United States, Colorado |
1912-09-18 |
|
Amaranthus |
Burundi |
1920-03-21 |
|
Alternations of Sporobolus, Covillea |
United States, New Mexico |
1916-10-06 |
