An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Oil-shale Fischer assay data, tables of average oil-yield values, and oil-yield histograms of U.S. Geological Survey coreholes CR-1 and CR-2, Piceance Creek Basin, Colorado
Oil-shale Fischer assay data, tables of average oil-yield values, and oil-yield histograms of U.S. Geological Survey coreholes CR-1 and CR-2, Piceance Creek Basin, Colorado