Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of Poor Man iron deposit, Kasaan Peninsula, Prince of Wales Island, southeastern Alaska
Exploration of Cape Mountain lode-tin deposits, Seward Peninsula, Alaska
Exploration of coal deposits of the Point Barrow and Wainwright areas, northern Alaska
Investigation of the Mount Eielson zinc-lead deposits, Mount McKinley National Park, Alaska
Investigation of Simon & Coles manganese deposit Bedford county, Pa.
Investigation of the Critchfield manganese deposit, Huntingdon county, Pa.
Investigation of the Cape Rosier zinc-copper-lead mine, Hancock County, Maine
Artillery Peak manganese deposits, Mohave County, Ariz.
Churn drilling at Cape Mountain tin placer deposits Seward Peninsula, Alaska
Investigation of certain high-alumina clays of central Pennsylvania
Investigation of Cheever limonite deposit, Berkshire County, Mass.
Investigation of Sweetsprings manganese deposits :Monroe County, W. Va., and Craig County, Va.
Investigation of Boiling Springs manganese-iron deposits :Cumberland County, Pa.
Investigation of Red-Back magnetite mine, Sterling Lake, Orange County, N.Y.
Investigation of Broughton and Ring magnetite deposits, Essex County, N.Y.
Investigation of Muir Inlet or Nunatak molybdenum deposits, Glacier Bay, southeastern Alaska
Investigation of Claim Point chromite deposits Kenai Peninsula, Alaska
Investigation of Parker and Webb zinc deposits, St. Lawrence County, N.Y.
Investigation of Suffern graphite depositsn Rockland County, N.Y.