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Extent and Availability of Natural Gas Reserves in Michigan "Stray" Sandstone Horizon of Central Michigan
Report issued by the U.S. Bureau of Mines on studies of the known natural gas reserves in central Michigan sandstone deposits. The geology and methods used to estimate the reserves are presented. This report includes tables, illustrations, and maps.
Date:
July 1936
Creator:
Rawlins, E. L. & Schellhardt, M. A.
Object Type:
Report
System:
The UNT Digital Library
[Letter from Concordia College Board of Control to William Hagen, July 22, 1930]
Letter from Concordia College Board of Control to William Hagen regarding appropriations for Lutheran Concordia College of Texas.
Date:
July 22, 1930
Creator:
Concordia College Board of Control
Object Type:
Letter
System:
The Portal to Texas History
[Letter from William Hagen to the Reverend R. Osthoff, July 28, 1930]
Letter from William Hagen to the Reverend R. Osthoff, asking whether Osthoff's local authorities have approved his request.
Date:
July 28, 1930
Creator:
Hagen, William
Object Type:
Letter
System:
The Portal to Texas History
Pennsyvania (PRR) 1689
A photograph print showing the Pennsylvania Railroad (PRR) 1689, 4-6-0 (Class G-5s), Kalamazoo, MI.
Date:
July 19, 1936
Creator:
Isaac, L. G.
Object Type:
Photograph
System:
The Gateway to Oklahoma History