Ocher and Ochery Earths (open access)

Ocher and Ochery Earths

Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Date: May 1929
Creator: Santmyers, R. M.
Object Type: Report
System: The UNT Digital Library
Report of the Twenty-Second National Conference on Weights and Measures, 1929 (open access)

Report of the Twenty-Second National Conference on Weights and Measures, 1929

Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date: June 1929
Creator: United States. National Bureau of Standards.
Object Type: Report
System: The UNT Digital Library
Report of the Twenty-First National Conference on Weights and Measures, 1928 (open access)

Report of the Twenty-First National Conference on Weights and Measures, 1928

Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date: May 1928
Creator: United States. National Bureau of Standards.
Object Type: Report
System: The UNT Digital Library
Experiment Station Record, Volume 58, January-June, 1928 (open access)

Experiment Station Record, Volume 58, January-June, 1928

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1928
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 57, July-December, 1927 (open access)

Experiment Station Record, Volume 57, July-December, 1927

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, and bibliographies. Name and subject indexes start on page 901.
Date: 1928
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
General Index to Experiment Station Record, Volumes 26-40, 1912-1919 (open access)

General Index to Experiment Station Record, Volumes 26-40, 1912-1919

A topical, alphabetically arranged index to volumes 26-40 including experiment station records, publications reviewed, and foreign publications. In has a 'Consolidated Table of Contents' which lists all editorial notes and publications of the experiment stations and Department of Agriculture from the referenced volumes.
Date: March 1926
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 54, January-June, 1926 (open access)

Experiment Station Record, Volume 54, January-June, 1926

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, and bibliographies. Name and subject indexes start on page 901.
Date: 1927
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 53, July-December, 1925 (open access)

Experiment Station Record, Volume 53, July-December, 1925

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition
Date: 1926
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 60, January-June, 1929 (open access)

Experiment Station Record, Volume 60, January-June, 1929

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1929
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 51, July-December, 1924 (open access)

Experiment Station Record, Volume 51, July-December, 1924

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1925
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 59, July-December, 1928 (open access)

Experiment Station Record, Volume 59, July-December, 1928

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, and bibliographies. Name and subject indexes start on page 901.
Date: 1929
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 55, July-December, 1926 (open access)

Experiment Station Record, Volume 55, July-December, 1926

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1927
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 40, January-June, 1919 (open access)

Experiment Station Record, Volume 40, January-June, 1919

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies, and listings for Spanish edition publications from the Porto Rico station. Name and subject indexes start on page 901.
Date: 1920
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 44, January-June, 1921 (open access)

Experiment Station Record, Volume 44, January-June, 1921

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1921
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 45, July-December, 1921 (open access)

Experiment Station Record, Volume 45, July-December, 1921

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1921
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 46, January-June, 1922 (open access)

Experiment Station Record, Volume 46, January-June, 1922

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1923
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Experiment Station Record, Volume 41, July-December, 1919 (open access)

Experiment Station Record, Volume 41, July-December, 1919

Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies and listings for Spanish edition publications from the Porto Rico Station. Name and subject indexes start on page 901.
Date: 1920
Creator: United States. Office of Experiment Stations.
Object Type: Book
System: The UNT Digital Library
Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive (open access)

Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive

Report issued by the Bureau of Mines over experiments conducted on coal-dust explosions. The results of the experiments are presented and discussed. This report includes tables, illustrations, and photographs.
Date: June 1922
Creator: Rice, George S.; Jones, Lewis M.; Egy, Willard Leo & Greenwald, H. P.
Object Type: Report
System: The UNT Digital Library
Plastic Magnesia (open access)

Plastic Magnesia

Report issued by the Bureau of Mines over the production methods and uses of plastic magnesia. Methods, properties, and uses of plastic magnesia are discussed. This report includes tables, illustrations, and photographs.
Date: 1925
Creator: Ralston, Oliver C.; Pike, Robert D. & Duschak, Lionel H.
Object Type: Report
System: The UNT Digital Library
Subsidence Due to Coal Mining in Illinois (open access)

Subsidence Due to Coal Mining in Illinois

Report issued by the Bureau of Mines over investigations on surface subsidence from coal mining in Illinois. The results of the investigations are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1927
Creator: Herbert, Charles Arthur & Rutledge, J. J.
Object Type: Report
System: The UNT Digital Library
Iron-Ore (Hematite) Mining Practice in the Birmingham District, Alabama (open access)

Iron-Ore (Hematite) Mining Practice in the Birmingham District, Alabama

Report issued by the Bureau of Mines over studies conducted on red iron-ore mining near Birmingham, Alabama. Results of the studies are presented and discussed, as are mining methods. This report includes tables, illustrations, and photographs.
Date: 1926
Creator: Crane, Walter R.
Object Type: Report
System: The UNT Digital Library
Mining of Thin Coal Beds in the Anthracite Region of Pennsylvania (open access)

Mining of Thin Coal Beds in the Anthracite Region of Pennsylvania

Report issued by the Bureau of Mines over studies conducted on thin coal beds of the anthracite region in Pennsylvania. Results of the studies are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1927
Creator: Ashmead, Dever C.
Object Type: Report
System: The UNT Digital Library
Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

Investigations of the Preparation and Use of Lignite, 1918-1925

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
Object Type: Report
System: The UNT Digital Library
Investigations of the Preparation and Use of Lignite, 1918-1925 (open access)

Investigations of the Preparation and Use of Lignite, 1918-1925

Report issued by the Bureau of Mines over investigations conducted on lignite. Preparation methods and uses of lignite are discussed. This report includes tables, maps, illustrations, and photographs.
Date: 1926
Creator: Hood, O. P. & Odell, William Wallace
Object Type: Report
System: The UNT Digital Library