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Continue to ChatSwede-Kerr Gulches Pegmatite Quarries Map - Jefferson County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-1694346-swede%2Dkerr-gulches-pegmatite-quarries
Swede-Kerr Gulches Pegmatite Quarries Map - Jefferson County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-1694346-swede%2Dkerr-gulches-pegmatite-quarries