Browse by date

Title/Descriptionsort ascending Location Date
Umbellularia californica, Quercus, etc. United States, California, San Marcos Pass 1951-07-12
Typical of Grama and Hilaria United States, Arizona, Navajo Reservation 1951-11-01
This should be in line above, Oaks, grass etc. As cover opens and passes towards savanna United States, California, San Marcos Pass 1951-09-12
Sporobolus airoides - lab study United States, Arizona, Navajo Reservation 1951-11-01
Open stand of Quercus agrifolia United States, California, San Marcos Pass 1951-07-12
North slope of Pass, Umbellularia californica, Quercus etc United States, California, San Marcos Pass 1951-07-12
No grass in fore, but grassy hill visible at center, Here Oak is forest but floor has not yet passed to grasses United States, California, Hope Ranch 1951-07-24
Lab study of Hilaria Jamesii United States, Arizona, Navajo Reservation 1951-11-01
Here Oak is forest but floor has not yet passed to grasses United States, California, Hope Ranch 1951-07-25
Eurotia lanata - lab comparison of plants grazed, ungrazed United States, Arizona, Navajo Reservation 1951-11-01
Duplicate of T-6-1935 United States, Arizona, Saguaro National Monument 1951-05-11
Duplicate of I-5-1926, Dudleya Mexico, Sonora 1951-05-27
Duplicate of E-3-1934 United States, Arizona, Saguaro National Monument 1951-05-11
Copy of photo-Potato Day at A.S. & Rco. Demonstration Farm United States, Utah 1951-08-31
Bouteloua gracilis - lab studies United States, Arizona, Navajo Reservation 1951-11-01