Browse TRAIL Inventories

Winchester zinc deposit, Newton County, Mo.

Pearl lead-zinc deposits, Jasper County, Mo.

Investigation of the Krueger zinc deposit, Washington County, Mo.

Mon-Ark zinc-lead mines, Christian County, Mo.

Churn drilling at Mary Arnold zinc-lead mines, Christian County, Mo.

Investigation of southeast Missouri secondary limonite deposits, Wayne, Butler, and Ripley counties, Mo.

Investigation of Rex zinc mine, Howell County, Mo.

Filled-sink iron deposits in Crawford, Dent, Franklin, and Texas counties, Mo.

Development of a successful multiple percussion drill carriage

Equipment tested at the Bureau's oil-shale mine


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