1930
Abronia, in flower, January 1, 1930
Abronia, in flower, January 1, 1930
Abronia, in flower, January 1, 1930
Abronia, in flower, January 1, 1930
Bank at College Dam, January 3, 1930
Duck weed, January 3, 1920
Duck weed, January 3, 1920
Duck weed, January 3, 1920
Duck weed, January 3, 1920
Reservation, January 3, 1920
Reservation, January 3, 1920
Hill in Forest, mostly Encelia, April 1, 1930
Evans and Matheson, April 1, 1930
Saguaro Forest, April 1, 1930
Base of Saguaro Forest, April 1, 1930
Skeleton of Saguaro, April 1, 1930
Saguaro Forest, April 1, 1930
Mr. Evans, Forest, April 1, 1930
Saguaro Forest, April 1, 1930
Saguaro Forest, Encelia in fore, April 1, 1930
Bisnaga, Saguaro Forest, April 1, 1930
Skeleton and Forest, April 1, 1930
Planting cactus, campus, April 1, 1930
Planting cactus W. of Arizona campus, April 1, 1930
Establishing cactus garden, April 1, 1930
Saguaro Forest, April 1, 1930
Skeleton of Saguaro, April 1, 1930
Saguaro Forest, Apri 1, 1930
Saguaro Forest, April 1, 1930
Saguaro, Sage, Salt River, April 1, 1930
Planting cactus W. of Arizona campus, April 1, 1930
Planting cactus W. of Arizona campus, April 1, 1930
Badlands, May 8, 1930
Badlands, May 8, 1930
Badlands, May 8, 1930
Bushes along drainage, Atriplex, May 8, 1930
Badlands, May 8, 1930
Rabbit track, Atriplex conferjpgolia, May 10, 1930
Sarcobatus, Atriplex conferjpgolia, Sitanion, May 10, 1930
Atriplex conferjpgolia, etc., May 10, 1930
Artemisia tridentata, May 10, 1930
Artemisia tridentata, May 10, 1930
Near Ryan Rd. Vegetation, May 10, 1930
Sagebrush, SW of Fredonia - JJT file, May 10, 1930
Cowania, cliff rose, May 10, 1930
Detail of cliff rose, May 10, 1930
Sage, Pinion, Rose, Deer line, May 10, 1930
Yellow pine, dead sage, May 10, 1930
Yellow pine, dead sage, May 10, 1930
Intermediate range, May 10, 1930
Intermediate, dead sage, etc., May 10, 1930
Deer line, May 10, 1930
Cliff rose, spruce, dead sage, May 10, 1930
Deer brush, May 10, 1930
Sage, Juniper, May 10, 1930
Sage, dead, juniper, deer brush, May 10, 1930
Sage, Pinion, Rose, Deer line, May 10, 1930
Juniper trimmed to deer line, May 11, 1930
Juniper trimmed to deer line, May 11, 1930
Juniper trimmed, May 11, 1930
Low sage, dead brush, juniper, May 11, 1930
Juniper, sage, Gutierrezia, dead brush, May 11, 1930
The explorers, May 11, 1930
Juniper, dead sage, May 11, 1930
Canton from Crazy Jug Point, May 11, 1930
Canton from Crazy Jug Point, May 11, 1930
Canton from Crazy Jug Point, May 11, 1930
Pinion pine, pitch, dead, May 11, 1930
Cowania, dead sage, May 12, 1930
Mammillaria, May 12, 1930
Dead deer, dead Ephedra, May 12, 1930
Dead deer, May 12, 1930
Over browsed lower ridge, May 12, 1930
Juniper, Ephedra, overgrazed, May 12, 1930
Ephedra, May 12, 1930
Ephedra, detail, May 12, 1930
Mammillaria, wine color, May 12, 1930
Mammillaria, May 12, 1930
Mammillaria, May 12, 1930
Detail deer brush, Cowania, May 13, 1930
Cowania, May 13, 1930
South Canyon, desert and hills, May 13, 1930
Cowania, Pinus, Artemisia tridentata, May 13, 1930
Cowania, May 13, 1930
Pinion, Cowania, May 13, 1930
Detail of browsed Cowania, May 13, 1930
Juniper and sage, May 13, 1930
General view, sage and juniper, May 13, 1930
Sage and deer brush, juniper, May 13, 1930
Cowania, juniper, pine, brush, May 13, 1930
Juniper, deer line, May 13, 1930
Balis-Pinion showing deer line, May 13, 1930
Cowania-Juniper, pinion line, May 13, 1930
Deer line, May 13, 1930
Juniper, sage, Gutierrezia, dead brush, May 30, 1930
Roborough Moor, July 5, 1930
Roborough Moor, July 5, 1930
Roborough Moor, July 5, 1930
The town, July 5, 1930
Fields above town, July 5, 1930
Alley leading from church to city, July 6, 1930
Old pathways from church, July 6, 1930
Ward mill, July 6, 1930
Hedges - Honeysuckle, rose, etc., July 6, 1930
Roads with hedges, July 6, 1930
Churchyard, 1300, July 6, 1930
Small garden, July 6, 1930
Prosopis, Cereus giganteus, etc., October 5, 1930
Shelter in Papago Indian hut, October 5, 1930
Adobe house, roof of sorghum, October 5, 1930
Papago house and equipment, October 5, 1930
Indian and grinding stone, October 5, 1930
[Nikolai] Vavilov from Russia, October 5, 1930
Implements, October 5, 1930
Detail of Martynia, October 5, 1930
Detail of Martynia, October 5, 1930
Carnegiea and others, October 5, 1930
Detail of close stand of pinion, October 9, 1930
Detail of close stand of Pinion-Juniper, October 9, 1930
Juniper-Pinion, some yellow pine, October 9, 1930
Juniper-pinion, October 9, 1930
Valley of Little Colorado, October 10, 1930
Detail of village, October 10, 1930
Valley of Little Colorado, October 10, 1930
Detail of grinders, October 10, 1930
Grinding baskets, etc., October 10, 1930
Field of Hopi corn, October 11, 1930
General view fo garden, October 11, 1930
Area of Muhlenbergia, Ephedra, October 11, 1930
Detail of irrigation, October 11, 1930
Irrigated field, stone fence, October 11, 1930
Trees of forest, October 12, 1930
Hannigan's Meadow, October 12, 1930
Cork bark fir, Douglas spruce, October 12, 1930
Cork bark fir, Douglas spruce, October 12, 1930
Engelmann spruce, mosses, October 12, 1930
Aspen, Douglas fir, cork bark, October 12, 1930
Ivanovich, Douglas fir, October 12, 1930
Shantz, Douglas fir, October 12, 1930
Camp surrounding trees, October 14, 1930
Camp and horses, October 14, 1930
Aspen, Festuca arizonica, Pinus, October 14, 1930
Aspen, Douglas, Willows, November 14, 1930
Aspen, Festuca arizonica, Pinus scopulorum, November 14, 1930
Horses in Aspen camp, November 14, 1930
Festuca arizonica, Yellow pine, etc., November 14, 1930
Pinus scopulorum, Festuca arizonica, etc., November 18, 1930
Pinus scopulorum, Festuca arizonica, etc., November 18, 1930
Pinus scopulorum, Festuca arizonica, etc., Aspen in back, November 18, 1930
Festuca arizonica, Pinus scopulorum, etc., November 18, 1930
Turkey country, November 19, 1930
Turkey country, November 19, 1930
My horse, Turkey country, November 19, 1930
Grass and Yellow pine, November 19, 1930
Grass and Yellow pine, November 19, 1930
Bouteloua gracilis, Koeleria, Festuca, November 19, 1930
Juniperus, Pine, Couteloua, etc., November 19, 1930
Juniperus, dead strip on limbs, November 19, 1930
Juniperus pachyphlaea on lava rock, November 19, 1930
Old alligator [juniper], Koeleria, Fern, November 19, 1930
Juniperus pachyphlaea, November 19, 1930
Dead Juniperus pachyphlaea, Cercocarpus, etc., November 19, 1930
Douglas spruce, Pine, grass, NE, November 19, 1930
Grass and Yellow pine, November 19, 1930
Coulter's cattle, Arizona fescue, November 21, 1930
Festuca arizonica, Cattle, November 21, 1930