Add to ORKGReport issued by the Bureau of Mines over investigations conducted on common war minerals. Descriptions of the minerals and their uses are presented
From Introduction: "In this bulletin the reports on manganese are presented, which range in scope fr...
Report issued by the U.S. Bureau of Mines discussing coal research and technology. Mining methods, a...
Report issued by the Bureau of Mines over drilling and sampling of the San Manuel copper mine in Ari...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report discussing the results of the Bureau of Mines' investigations into questions of priority, tr...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over the sampling and analyses of ore deposits. Methods, proble...
Report issued by the Bureau of Mines over exploration of the lead and zinc deposits of the Madonna M...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the U.S. Bureau of Mines on the annual study of the work done by the Mining Divisio...
Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods a...
From Summary: "This report reviews the occurrence of mineral pigments and allied iron ores and the n...
From Introduction: "In this bulletin the reports on manganese are presented, which range in scope fr...
Report issued by the U.S. Bureau of Mines discussing coal research and technology. Mining methods, a...
Report issued by the Bureau of Mines over drilling and sampling of the San Manuel copper mine in Ari...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report discussing the results of the Bureau of Mines' investigations into questions of priority, tr...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the Bureau of Mines over the sampling and analyses of ore deposits. Methods, proble...
Report issued by the Bureau of Mines over exploration of the lead and zinc deposits of the Madonna M...
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions ...
Report issued by the U.S. Bureau of Mines on the annual study of the work done by the Mining Divisio...
Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods a...
From Summary: "This report reviews the occurrence of mineral pigments and allied iron ores and the n...
From Introduction: "In this bulletin the reports on manganese are presented, which range in scope fr...
Report issued by the U.S. Bureau of Mines discussing coal research and technology. Mining methods, a...
Report issued by the Bureau of Mines over drilling and sampling of the San Manuel copper mine in Ari...