[untitled] |
United States, Colorado |
1913-09-17 |
[Eduard] Rubel, [Ove] Paulsen, [Arthur] Tansley |
United States, Colorado |
1913-08-12 |
[Carl] Schroeter, [Adolf] Engler, [Eduard] Rubel |
United States, Colorado |
1913-08-16 |
Zonation |
United States, Utah |
1913-08-28 |
Zonation |
United States, Utah |
1913-08-30 |
Zonation |
United States, Utah |
1913-08-26 |
Wheat grass succession |
United States, Colorado |
1913-09-15 |
Wet meadow veg. |
United States, Colorado, Lake Moraine |
1913-08-19 |
West - Panorama |
United States, Colorado |
1913-07-09 |
Walking stick |
United States, Colorado, Killpatrick Ranch |
1913-08-02 |
Vegetation - Panorama |
United States, Colorado, Pikes Peak |
1913-08-20 |
Veg. showing association |
United States, Utah |
1913-08-28 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Veg. - Panorama |
United States, Colorado, Pikes Peak |
1913-08-17 |
Turpentine pine and oak |
United States, Florida |
1913-03-14 |
Trails |
United States, Colorado |
1913-09-17 |
Thorny opuntia |
United States, Arizona |
1913-03-20 |
Tetradymia, Distichlis |
United States, Nevada |
1913-09-05 |
Succession veg. |
United States, Colorado |
1913-08-20 |
Succession on sand - Panorama |
United States, Colorado, Killpatrick Ranch |
1913-07-02 |
Succession on sand - Panorama |
United States, Colorado, Killpatrick Ranch |
1913-07-21 |
Succession on sand - Panorama |
United States, Colorado, Killpatrick Ranch |
1913-07-21 |
Succession - meadow to spruce |
United States, Colorado |
1913-08-19 |
Succession |
United States, Colorado, Lake Moraine |
1913-08-19 |
Succession |
United States, Utah |
1913-08-25 |
Succession |
United States, Utah |
1913-08-25 |
Succession |
United States, Utah |
1913-09-02 |
Succession |
United States, Colorado |
1913-09-20 |
Succession |
United States, Colorado |
1913-09-20 |
Succession |
United States, Colorado |
1913-09-20 |
Succession |
United States, Nevada |
1913-09-05 |
Succession |
United States, Utah |
1913-08-26 |
Succession |
United States, Colorado |
1913-09-15 |
Succession |
United States, Colorado |
1913-09-15 |
Succession |
United States, Colorado |
1913-09-15 |
Succession |
United States, Colorado |
1913-09-15 |
Succession |
United States, Nevada |
1913-09-05 |
Succession |
United States, Colorado |
1913-09-15 |
Succession |
United States, Colorado |
1913-09-15 |
Spruce and Aspen |
United States, Colorado |
1913-08-19 |
Sporobolus, Sarcobatus |
United States, Nevada |
1913-09-05 |