The Maps are Back!

Gold in Missouri? How about gold 22 miles north of the Florida border? Bet you didn't know that. We've revamped our maps and added more data to help you find your own mining claim. First, we added the Mega Map which provides the mineral zones across the US (including Alaska), then we added the mine locations for California and finally we added a map which provides you with information for the whole US. Are you thinking about looking for a claim anywhere outside of California? Our new maps can help in your search to find ground you can actually mine.

California Mines and Faults

Mega Map. This map provides the USGS Mine Dat Database of historic and active mines. We have additionally overlayed the known fault sytems. As you may know lode gold tends to follow faulting so this map provides a handy way to compare known mineral locations with known faults. There's not a 1:1 relationship, but from our experience in the field we believe the fault map is very incomplete. This map is interactive and allows you to zoom in, out and add and remove layers.

Mega Map

This interactive map provides the location of mineral zones for gold; silver; copper and platinum. It also provides gem locations for the U.S. including diamonds, rubies and emeralds. This map is rendered from USGS data on known locations for various minerals. Click the layer symbol on the menu to add or remove layers to get a clearer picture of where the mineralized zones in the US are. Also includes Alaska information.

Port Wine Ridge, Sierra County, 1924 Mines

This is a single page PDF map of the Port Wine Ridge Area

Prepared in 1924 this map shows the historical claims. Most of these claims were hydraulic or drift operations. This is a great map for research on the Port Wine Ridge.

Monterey County - Free Mining Claims

Free. Who doesn't like free. This is our Monterey county map. This is part of our mapping project and we have this level of data for most counties in both California and Nevada. We also maintain data for Arizona, Idaho and Oregon. If you're looking for a mining claim we can probably find it for you. You can read more by clicking Monterey Mining Claims

Mine Resource Map

So, are you like us and starting to think maybe its time to look for gold somewhere other than California? This map provides the gold locations for the entire United States including Alaska. We produced this map by downloading the USGS Mine Resource Database file then cleaning up the data to only include locations which have gold, and other minerals such as silver, copper, lead, antimony, then we plotted the data on our Arc Gis system. This is a really cool map. When you zoom in and click on a point it provides the information for that point and a link to the USGS page which provides additional detailed information.

Laporte CA Tertiary Valleys

This is a single page PDF which shows the tertiary areas near Laporte CA

If you're interested in the Laporte area this is a good resource map for locating the tertiary areas. It covers the area from Honey Lake in the east to Laporte in the west. From Quincy in the north to the Eureka Diggins in the south.

BLM Official Land Records

If you're researching claims then you must use this site.

Whether you're trying to find your own claim, looking to buy a claim, or wanting to sell a claim you'd better check Glo Records first. We don't know how many times we've seen Milsap Bar claimed, only to be dropped the following years. Glo Records gives you the legal land status of the area. Many areas are withdrawn from mineral location, such as the Milsap Bar area on the Middle Fork of the Feather. But, did you also know in certain areas the land is sub-divided into "plots"? In areas with old townsites, you encounter legal land subdivisions where the description is given as a plot. When describing the location you must use the plot designation. Be wise, check BLM Glo Records first.


Land status can have a major impact on your prospecting and mining. We have assembled a couple of resource maps for your use to help in determining whether an area is open for mineral entry, and whether there special land status designations which could impact your mining claim. The first map provides Wilderness Areas; Wild and Scenic Rivers and Special Use Restrictions such as wildlife areas. Many areas are withdrawn from mineral entry and knowing the status of an area you hope to claim can prevent future problems.

Wilderness Areas and Wild and Scenic Rivers

Data is from US Government files and provides a convenient means of checking the special land status of an area you're interested in mining. Often the designation of wilderness or wild and scenic means you can't file and new claim. There are exceptions, but in general you should avoid these areas.

Critical Habitat

Critical habitat areas. Know what endangered species are in the area you hope to mine in. The law says any activity which requires a permit in critical habitat areas must undergo agency (and state) coordination. This means if you plan on mining in a critical habitat area you're going to be in for a tough slog if you try to obtain a permit. Know where these areas are, and locate your mining activities outside them.