Technical Report Archive & Image Library (TRAIL) - 3 Matching Results

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Control of Hookworm Infection at the Deep Gold Mines of the Mother Lode, California

Description: From Introduction: "This report presents of an investigation of hookworm infection in the deep gold mines of the Mother Lode, California. In this investigation 1,440 miners of Mother Lode have been examined for hookworm infection; 444 miners were found to be infected; and 91 miners have taken the treatment and have gotten rid of the infection."
Date: 1917
Creator: Cumming, James G. & White, Joseph H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Gypsum Products: Their Preparation and Uses

Description: Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Wet Thiogen Process for Recovering Sulphur from Sulphur Dioxide in Smelter Gases: A Critical Study

Description: From Introduction: "A critical study of the wet Thiogen process for extracting sulphur from smoke of smelters is one of several investigations related to the general smelter-smoke problem that are being conducted under direction of the Bureau of Mines. Work on the Thiogen process was started again in January, 1916, in the laboratories of the new mining experiment station at Berkeley, Cal., and was continued during the spring of 2016 until a point was reached where it was felt that the essential… more
Date: 1917
Creator: Wells, A. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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