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!
Asphalt deposits in the United States hold vast promise
A United States Geological Survey report notes extensive native asphalt deposits across Kentucky West Virginia Arkansas Missouri Oklahoma Texas Colorado Nevada Utah and California. It details origin ages and locations from Ordovician to Recent and discusses uses including paving roads and industrial products like gilsonite grahamite and wortslite.
MENTIONED IN THIS ARTICLE
America
California
Kentucky
Rocky Mountain
Mid-Continent
United States Geological Survey
Department of the Interior
United States
Trinidad
West Virginia
Arkansas
Missouri
Oklahoma
Texas
Colorado
Nevada
Utah
Los Angeles
Cal
Carpinteria
United
Gulf Cnastat
Kansasity
Kans
Oklahoma City
Okio
C. C. Osbon
Director of Geological Survey
Washington, D. C