Browse by date

Title/Description Location Datesort descending
Festuca arizonica, etc. camp United States, Arizona, Aspen Springs 1929-08-10
Vegetation on mt. United States, Arizona, San Francisco Peak 1929-08-10
Dead cork bark fir United States, Arizona, San Francisco Peak 1929-08-10
Engelmann spruce, dead United States, Arizona, San Francisco Peak 1929-08-10
Pinus, spruce, aspen, meadow United States, Arizona, San Francisco Peak 1929-08-10
Men on Mt., trees United States, Arizona, San Francisco Peak 1929-08-10
Bark of Abies arizonica United States, Arizona, San Francisco Peak 1929-08-10
Class United States, Arizona, Aspen Springs 1929-08-10
Class United States, Arizona, Aspen Springs 1929-08-10
Lecanora calcarea United States, Arizona, San Francisco Peak 1929-08-10
Lichens United States, Arizona, San Francisco Peak 1929-08-10
Dead fir United States, Arizona, San Francisco Peak 1929-08-10
Muhlenbergia gracilis, etc. United States, Arizona, Aspen Springs 1929-08-15
[John J.] Thornber United States, Arizona, Aspen Springs 1929-08-15
Ecology class 1929 United States, Arizona, Aspen Springs 1929-08-15
Ecology class United States, Arizona, Aspen Springs 1929-08-15
Large leaf ranunculus, Elk slip United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Yellow pine, Engelmann spruce, aspen United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Poa arizonica, Aspen, Engelmann spruce United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Aspen United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Hannigans Meadow United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Sporobolus, Fragaria, gophers United States, Arizona, Hannigans Meadow:White Mountains 1929-10-18
Winn, Musgrave, Reddington United States, Arizona, Musgrave Ranch 1929-10-21
Winn, Musgrave, Reddington United States, Arizona, Musgrave Ranch 1929-10-21
Shantz, Musgrave United States, Arizona, Musgrave Ranch 1929-10-21
Men United States, Arizona, Musgrave Ranch 1929-10-21
Camp United States, Arizona, Musgrave Ranch 1929-10-21
Camp United States, Arizona, Musgrave Ranch 1929-10-21
Cotton picking United States, Arizona 1929-10-22
Cotton field United States, Arizona 1929-10-22
Egyptian cotton United States, Arizona 1929-10-22
Cotton picking United States, Arizona 1929-10-22
Cotton picking United States, Arizona 1929-10-22
Cotton picking United States, Arizona 1929-10-22
Hilaria rigida United States, Arizona 1929-10-28
Hilaria rigida United States, Arizona 1929-10-28
Kirkpatrick, Layton United States, Arizona 1929-10-29
Kirkpatrick, Layton United States, Arizona 1929-10-29
Hill United States, Arizona 1929-10-29
Mann, McIntyre United States, Arizona, Kaibab 1929-11-01
Gov. [John C.] Phillips, McIntyre United States, Arizona, Grand Canyon 1929-11-02
[John C.] Phillips, McIntyre United States, Arizona, Grand Canyon 1929-11-02
Edge United States, Arizona, Grand Canyon 1929-11-05
Edge United States, Arizona, Grand Canyon 1929-11-05
Yellow pine United States, Arizona, Grand Canyon 1929-11-05
Erosion of shad land United States, Arizona 1929-11-05
Erosion United States, Arizona 1929-11-05
Over shad, air photo United States, Arizona 1929-11-05
Over Grand Canyon United States, Arizona 1929-11-05
Edge United States, Arizona, Grand Canyon 1929-11-05

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