Potomac Refining Company Deposit
The Potomac Refining Company Deposit is near Dargan, Maryland and is part of the Appalachian National Scenic Trail. The Potomac Refining Company Deposit was closed at the time of data entry with no known plans to re-open. The Middle Section of the Appalachian Highlands characterize the geomorphology of the surrounding area.
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Other deposits in the same region.
Dargan Manganese Mine
Potomac Refining Company Mine
Ore Bank Prospect
Maryland Banks Iron Mine
Maryland Banks Iron Mine
Wyand Ore Bank Mine
Loudoun Gold Prospect
Geeting Ore Bank Iron Mine
Wyand Ore Bank Iron Mine
Appletown Ore Bank Mine
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
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Understanding Claim Ownership
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Understanding BLM Administrative Areas
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Understanding Location Data
Mine handled by the Bureau of Land Management are not mapped by latitude and longitude, instead, these mines harken back to the Public Land Survey System.
A “township” can refer to two different things. Both are part of the PLSS measurement system but have different uses.
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