Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of the Bourbon magnetic anomaly, Crawford County, Missouri
Churn drilling at the McGregor zinc-lead mine, Washington County, Mo.
Investigation of the Dempsey zinc-lead mine, Washington County, Mo.
Investigation of Mueller kaolin deposit, Jeff Davis County, Tex.
Investigation and laboratory testing of vermiculite deposits, Llano County, Tex.
Investigation of Montezuma and Chinati zinc-lead deposits, Shafter district, Presidio County, Tex.
Investigation of the Alfred Davis soapstone deposits, Gillespie County, Tex.