The Mexican immigrant, his life story |
1931 |
The Grewe Site, Gila Valley, Arizona |
1931 |
The controversy between Arizona and California over the Boulder Canyon Project Act |
1931 |
The Boulder Dam decision; speech of Clifton Mathews at Globe, Arizona, August 5, 1931 |
1931 |
State regulation of railroad and electric rates in Arizona to 1925; a study of the origin and activities of the Arizona corporation... |
1931 |
Soil survey of the Salt River Valley area, Arizona |
1931 |
Report on the geology of the Walker district, Yavapai County, Arizona: with a detailed description of the Sheldon Mine and ore |
1931 |
Recently dated Pueblo ruins in Arizona |
1931 |
Nellie Cashman; a modest tribute to the memory of a noble woman whose energetic, courageous, self-sacrificing life was an inspiration on a... |
1931 |
Metropolitan Water District of Southern California. A summary of the Metropolitan Water District aqueduct situation. |
1931 |
Martinez Hill ruins |
1931 |
Financial survey of the public schools of Coconino County and recommendations based upon the findings |
1931 |
Ethnography of the Yuma Indians |
1931 |
Desert Land Magazine |
1931 |
Colorado river and the Boulder canyon project |
1931 |
Chandler Heights Citrus Tract |
1931 |
Arizona: Great State. |
1931 |
Arizona's prehistoric canals, from the air |
1931 |
A Brief Report on Transient Families in Arizona |
1931 |