We understand from the notice that DWR proposes to add two more temporary rock fill barriers along Steamboat and Miner sloughs in the North Delta …
Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, …
Records of mining activity around Sacramento, Sacramento County, California—311 mining claims and 36 mining mines.
California Mining and Minerals. Public lands in California provides opportunities for the exploration, development, and production of mineral resources, one of our most basic …
Location: 10791 E Empire St, Grass Valley, CA 95945. Getting There. Empire Mine State Historic Park is located northeast of Sacramento in Grass Valley. It takes about an hour …
All 87 mines in Sacramento County, California. Western Mining History is your source for over 116,000 mines in the western states.
This dataset is a compilation of boundary location polygons for 167 hydraulic mine pits located in northern California.
The Watershed at a Glance. The Sacramento Valley represents that portion of the Sacramento River Hydrologic Region starting at Shasta Lake and Redding in the north …
Below are five historic Sierra gold mines that will take visitors back in time to experience the Gold Rush for themselves. 1. Marshall Gold Discovery State Historic Park - the site …
1870 Assessor map showing the original course of the American River north of Sacramento and Bannon Slough enlarged in the mid-1860s to change the …