Soil survey of the Salt River Valley area, Arizona |
1931 |
The Mexican immigrant, his life story |
1931 |
Recently dated Pueblo ruins in Arizona |
1931 |
The Grewe Site, Gila Valley, Arizona |
1931 |
Arizona's prehistoric canals, from the air |
1931 |
Chandler Heights Citrus Tract |
1931 |
The Boulder Dam decision; speech of Clifton Mathews at Globe, Arizona, August 5, 1931 |
1931 |
Metropolitan Water District of Southern California. A summary of the Metropolitan Water District aqueduct situation. |
1931 |
Report on the geology of the Walker district, Yavapai County, Arizona: with a detailed description of the Sheldon Mine and ore |
1931 |
Arizona: Great State. |
1931 |
State regulation of railroad and electric rates in Arizona to 1925; a study of the origin and activities of the Arizona corporation... |
1931 |
The United Verde Copper Company: a series of articles describing the organization, operations, and activities of this company in the Jerome... |
1930 |
Harnessing of the Colorado River |
1930 |
Arizona sacrifices her prehistoric canals. |
1930 |
Exposition Number. Arizona State Poultry Federation |
1930 |
Camels in Western America |
1930 |
Phoenix, Arizona: "The New Winter Playground" |
1930 |
Report on the proposed improvement of the St. David irrigation system, Cochise County, Arizona |
1930 |
Great State Arizona |
1930 |
Indian detours through New Mexico and Arizona. |
1930 |
Analysis of Boulder Canyon Project Act |
1930 |
Tucson, The Old Pueblo |
1930 |
Mexican immigration to the United States; a study of human migration and adjustment |
1930 |
The Influence of Organized Labor on the Making of the Arizona Constitution |
1930 |
The Apache trail of Arizona |
1930 |