Author: Interior Department / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Author Interior Department Publish Year Decade 1920 - 1929

2981. Safety-lamps. Procedure for establishing lists of permissible flame safety lamps and methane detectors of flame type, conditions under which tests will be made, requirements for approval, [and] fees; [approved] Sept. 19, 1922.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1st edition.] [Oct.] 1922

2982. School census. Value of school census; by Bertha Y. Hebb.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: Oct. 1922

2983. Decisions. Decisions of commissioner of patents and of United States courts in patent cases, etc.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: Sept. 26, 1922

2984. Clay in 1921; by Jefferson Middleton.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 20, 1922

2985. Asbestos in 1921; by Edward Sampson.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 19, 1922

2986. Decisions. Decisions of commissioner of patents and of United States courts in patent cases, etc.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: Sept. 19, 1922

2987. Platinum and allied metals in 1921; by James M. Hill.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 19, 1922

2988. Antimony in 1921; by Frank C. Schrader.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 18, 1922

2989. Mineral resources of United States in 1921, preliminary summary, introduction by G. F. Loughlin, statistics assembled by Martha B. Clark from data furnished by specialists of Division of Mineral Resources.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 14, 1922

2990. Gems and precious stones in 1921; by B. H. Stoddard.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Sept. 13, 1922

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