This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
U S Geophysical oil survey gear in Scottsdale area
The U S Geophysical survey equipment cost over 40000 dollars over 17 years and is currently in Scottsdale for a short stay. An office is set up in Willmath Insurance. Floyd K. Humphrey, operator, and a technical scientist helped develop the instrument using sonic wave reflection to detect water sands.
MENTIONED IN THIS ARTICLE
U. S. Geophysical Oil Survey
Scottsdale
Willmath Insurance Office
Floyd K. Humphrey