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Title/Descriptionsort ascending Location Date
Vegetation, wind effect Mexico, Sonora 1931-12-09
Vegetation, wind effect Mexico, Sonora 1931-12-09
Vegetation named of grasses, Hill Mexico, Sonora 1931-12-06
Vegetation at Keno Bay Mexico, Sonora 1931-12-09
Vegetation at Keno Bay Mexico, Sonora 1931-12-09
Tree, Covillea, Ocotillo, Ironwood, Ocean in back Mexico, Sonora 1931-12-09
Tree, Covillea, Ocotillo, Ironwood Mexico, Sonora 1931-12-09
Top of saguaro United States, Arizona, Saguaro Forest 1931-02-22
Stem of Cereus giganteus United States, Arizona, Saguaro Forest 1931-02-22
Stages in development of ocotillo Mexico, Sonora 1931-12-09
Stages in development of ocotillo Mexico, Sonora 1931-12-09
Single large saguaro United States, Arizona, Saguaro Forest 1931-02-22
Shore of Pelican Is. Mexico, Sonora 1931-12-09
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Seri Indians Mexico, Sonora 1931-12-08
Saguaro, Palo Verde, Mr. Bridges United States, Arizona, Saguaro Forest 1931-02-22
Saguaro, Palo Verde, Encelia United States, Arizona, Saguaro Forest 1931-02-22
Saguaro, Mr. Bridge, Cats Claw United States, Arizona, Saguaro Forest 1931-02-22
Saguaro, Cats Claw, Palo Verde United States, Arizona, Saguaro Forest 1931-02-22
Saguaro, Cats Claw, Palo Verde United States, Arizona, Saguaro Forest 1931-02-22
Saguaro, Cats Claw, Palo Verde United States, Arizona, Saguaro Forest 1931-02-22
Saguaro roots, wet soil United States, Arizona, Saguaro Forest 1931-02-22
Saguaro blown over United States, Arizona, Saguaro Forest 1931-02-22
Saguaro blown over United States, Arizona, Saguaro Forest 1931-02-22
Saguaro blown down, wet soil United States, Arizona, Saguaro Forest 1931-02-22
Roots of Lamairocereus thurberi Mexico, Sonora 1931-12-10
Prairie vegetation, Mts. in back Mexico, Sonora 1931-12-06
Prairie vegetation, Mts. in back Mexico, Sonora 1931-12-06
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pelican Island Mexico, Sonora 1931-12-09
Pachycereus pringlei Mexico, Sonora 1931-12-10
Pachycereus pringlei Mexico, Sonora 1931-12-09
Pachycereus pringlei Mexico, Sonora 1931-12-09
Pachycereus pringlei Mexico, Sonora 1931-12-09
Pachycereus pringlei Mexico, Sonora 1931-12-07

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