Search U.S. government technical reports digitized or harvested by TRAIL.
The Three Kids Manganese District, Clark County, Nevada
Manganese Deposits in the Nevada District, White Pine County, Nevada
Manganese Deposits in the Paymaster Mining District, Imperial County, California
Manganese Resources of the Olympic Peninsula, Washington: a Preliminary Report
Manganese Deposits of Cedar Creek Valley, Frederick and Shenandoah Counties, Virginia
Manganese Deposits in the Artillery Mountains Region, Mohave County, Arizona