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.
Analytical results and sample locality map for stream-sediment, panned-concentrate, and rock samples collected in 1988 in and near the Ragged Top Wilderness Study Area (AZ-020-197), Pima County, Arizona
Analytical results and sample locality map for stream-sediment, panned-concentrate, and rock samples collected in 1988 in and near the Ragged Top Wilderness Study Area (AZ-020-197), Pima County, Arizona