Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of the Sauk Mountain limestone deposits, Skagit County, Wash.
Investigation of limestone deposits near Arlington, Snohomish County, Wash.
Investigation of Whitehorse limestone deposits, Snohomish County, Wash.
Investigation of the Whitechuck travertine deposit near Darrington, Snohomish County, Wash.
Investigation of silica deposits near the Skagit River, Skagit County, Wash.
Cowlitz clay deposits near Castle Rock, Wash.
An evaluation of the western phosphate industry and its resources (in five parts).
Computing reserves of mineral deposits:principles and conventional methods