Poa arizonica, Aspen, Engelmann spruce |
United States, Arizona, Hannigans Meadow:White Mountains |
1929-10-18 |
Plowing under Sesbania |
United States, Arizona, Mesa Farm |
1929-07-28 |
Plowing under Sesbania |
United States, Arizona, Mesa Farm |
1929-07-28 |
Pinus, spruce, aspen, meadow |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Pinus scopulorum |
United States, Arizona |
1929-07-22 |
Pinus scopulorum |
United States, Arizona |
1929-07-22 |
Phlox douglasii |
United States, Arizona, Kaibab, V.T. Ranch |
1929-06-28 |
Penstemon |
United States, Arizona, Grand Canyon |
1929-07-06 |
Penstemon |
United States, Arizona, Grand Canyon |
1929-07-06 |
Penstemon |
United States, Arizona, Grand Canyon |
1929-07-06 |
Parmelia conspersa |
United States, Arizona |
1929-07-19 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Pack rat in Juniper |
United States, Arizona |
1929-07-14 |
Over shad, air photo |
United States, Arizona |
1929-11-05 |
Over Grand Canyon |
United States, Arizona |
1929-11-05 |
Over Grand Canyon |
United States, Arizona |
1929-11-08 |
Opuntia fulgida, Simmondsia |
United States, Arizona, Boyce Thompson Arboretum |
1929-07-30 |
Oak |
United States, Arizona |
1929-07-20 |
Nolina in flower |
United States, Arizona |
1929-07-19 |
Nolina in flower |
United States, Arizona |
1929-07-19 |
Muhlenbergia gracilis, etc. |
United States, Arizona, Aspen Springs |
1929-08-15 |
Men on Mt., trees |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Men |
United States, Arizona, Musgrave Ranch |
1929-10-21 |
Meadow and hills, spruce, etc. |
United States, Arizona, Kaibab, V.T. Ranch |
1929-06-26 |
Mann, McIntyre |
United States, Arizona, Kaibab |
1929-11-01 |
Lichens |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Lecanora calcarea |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Large leaf ranunculus, Elk slip |
United States, Arizona, Hannigans Meadow:White Mountains |
1929-10-18 |
Landing field |
United States, Arizona, Grand Canyon |
1929-11-05 |
Kirkpatrick, Layton |
United States, Arizona |
1929-10-29 |
Kirkpatrick, Layton |
United States, Arizona |
1929-10-29 |
Juniperus utahensis, Quercus, oak |
United States, Arizona |
1929-07-14 |
Juniperus |
United States, Arizona |
1929-07-14 |
Juniper, showing bark |
United States, Arizona |
1929-07-14 |
Juniper trimmed by deer |
United States, Utah, Kanab Creek |
1929-06-25 |
Juniper trimmed by deer |
United States, Utah, Kanab Creek |
1929-06-25 |
Juniper |
United States, Arizona |
1929-07-14 |
Juglans major |
United States, Arizona |
1929-07-22 |
Hymenoxys floribunda |
United States, Arizona |
1929-07-14 |
Hymenoxys floribunda |
United States, Arizona |
1929-07-14 |
Hill |
United States, Arizona |
1929-10-29 |
Hilaria rigida |
United States, Arizona |
1929-10-28 |
Hilaria rigida |
United States, Arizona |
1929-10-28 |
Hannigans Meadow |
United States, Arizona, Hannigans Meadow:White Mountains |
1929-10-18 |
Grand Canyon |
United States, Arizona, Grand Canyon |
1929-07-06 |
Grand Canyon |
United States, Arizona, Grand Canyon |
1929-07-06 |