California Maps


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As most of you know, Ruby & I make FootPrints prospecting maps. Those of you who subscribe to our newsletter also know that we are just now releasing our first California FootPrint.


The North Fork of the American River FootPrint is the first in 14 maps that are in the works to map the Sierra Nevada gold deposits.


We've been researching, mapping and writing software for the last year. The result is an excellent, easy-to-use, interactive map that provides all the information a prospector needs. I knew we got it right when Ruby and I found ourselves using it as our "go to" map for researching the area. We love it and think you will too.


As I said, this is the first of 14 maps we have planned to cover the Sierra Nevada. And it is also the standard for the rest. When the series is completed this will be the most comprehensive set of maps available for the prospector in California.


The North Fork of the American River FootPrint is a huge map compared to our eight previous FootPrints. It's got 70 interactive layers and covers more than 280 square miles of the North Fork drainage. Read all about the map and all those layers at this link:




We included all the things that you are looking for on a prospecting map; Land Status, Geology, Transportation, Aerial Imagery, Claims etc. We've even managed to map a little history as well.


Determining Land Status in California can be a very complex issue. So we have provided map layers that detail Federal Lands, County Parcels, Patents, the Public Land Survey System, Mineral Withdrawals and our Custom Active Mining Claims Layers (Lode & Placer).


In preparing the Geology map layers, we did a lot of research, pulling historic and current geologic reports and maps. This resulted in 7 map layers detailing Geologic Units, Faults, and the Tertiary Channels and Gravels.


In mapping the Tertiary Channels and Gravels we digitized data from reports and maps of the early notable geologists. Source documents are also provided to give a more complete understanding.


We digitized the historic Economic Geology Maps from the Geologic Atlas Folios which were published from 1890 to 1900. This map layer shows Tertiary Channels, Gravels, Mines and Geology published not long after the peak of mining activity in the area.


Along with other, more current geologic maps this is no doubt the most comprehensive geologic map available for the area.


And that's really just a sampling of what we pulled together for this FootPrint. This is our first FootPrint with our new V2 interface at its core.


With the added capabilities of the new V2; GPS tracks & waypoints, tools for Drawing, Marking, Measuring and Calculating Area, all with no Internet required, you've got a major tool to add to your prospecting kit.


Click the links below to check out the complete Layer List and the details on the V2 interface.






This FootPrint map has more land open to prospecting and entry in 180,000 acres than any prospecting club can offer. Some of that open land can be found right on some of the best placer deposits ever discovered. That's real value.


And as we have found in the past....it's not "All Claimed Up"


Go check out this amazing map and then Click over to Robs Detectors and pick one up. He's got them in stock and he's ready to ship. I see he is also offering free shipping!


Got any questions? Just ask. :)
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I'm a little confused...are these more detailed than topo maps?? And yes, there is a lot of open land because of the Auburn rec area and wild and scenic status. Guess ill have to look at your site.

Hi deathray - sorry for the late reply, Ruby and I have been in the field for the last week.

Yes these are quite a bit more detailed than topo maps. They are an interactive visual mapping of Land Status, Claims, Geology, Transportation, Water and just about every other aspect a serious prospector might want to know about the area.

Besides being a really cool mapping program it also has all the source documentation and research that was used in creating the map available from the same interface with just a few clicks. You can even do complex searches of the databases or the map and highlight or zoom to the results on the maps.

Add in the ability to display your GPS waypoints and tracks, measure, draw, make notes and print out the results and you have a custom mapmaker with everything for the prospector.

The Auburn Rec area and Wild River Management and Wild River withdrawal are all open to prospecting and defined with their own layers and documentation on the map. Besides those restricted areas there are many thousands of acres of unclaimed ground on the map without any restrictions. There are even areas open to prospecting and claim on the Iowa Hill and Forest Hill Tertiary Placer Diggins. We once again have disproved "it's all claimed up" that we have heard about each area we map.

Many of the layers we present on the map have been virtually unavailable for years. Many sources and years of research have gone into this map. We even tracked down the rare Lindgren Tertiary large scale map (finally found it in the Federal Mining Repository at the Skeen Library in Soccorro, New Mexico). Many have never been in digital printable form before. Several, including mineral claims and patents have never been mapped together before.

We provide FootPrints users with a "snapshot" view of land status. We've done virtually all of the research for you so you can determine the best areas open to prospecting. You still need to do your own due diligence but you will be saved months of research with the information on any FootPrint map.

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Great!! gonna grab one up brother! youre maps have always landed me some good ground to work.

Justin.

Thanks Justin!

You, more than most, have learned how to find gold on a map. That makes this mapper very happy. :D

Better yet you go out and dig it up when you figure out where it is! A real miner.

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I hope you are talking about the middle American, not feather!

Yep that's the Middle Fork of the American River minerjoe.

We do have plans for the Middle Fork of the Feather River but considering it's closed to claims and motorized equipment it will probably be one of our last maps in the Sierra series.

I still hope to make it to the Middle Fork of the Feather for a float and snipe trip this summer. :D

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Got mine today! Pretty cool man, Ill have fun checking it out. Thanks!

Cool deathray, enjoy it!

Make sure to register so you can get the free updates.

You might want to subscribe to our newsletter too. With the newsletter you get advance notice of coming maps and free upgrades as well as free maps and mining research.

For the newsletter Ruby just began a long series of reports from the California State Mineralogist (52 total reports). There will be one every week or so. They begin in 1881 and will run through 1956. Lots of good information in there!

You can get a copy of the first 1881 report on our Ripple site by clicking HERE. It's a very informative report including an excellent, readable history of placer mining, hydraulic and drift mines.

Let us know if you have any questions deathray. You can contact us directly through the FootPrints program by clicking the "CONTACT" button at the top of the mapping window.

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