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Evaluation of Ground-Water Resources in the Lower Rio Grande Valley, Texas
This report includes studies on critical ground water areas identified by the state water agencies and the findings and recommendations on whether a ground-water conservation district should be established in the respective areas in order to address ground-water problems.
Date:
January 1990
Creator:
McCoy, Wesley T.
Object Type:
Report
System:
The Portal to Texas History
Locking Device for Differential Gears
Patent for "Locking Device for Differential Gears adapted especially for use in connection with automobiles using the “full floating” type of rear axle." (lines 4-7) including instructions and illustrations.
Date:
January 18, 1916
Creator:
King, George W.
Object Type:
Patent
System:
The Portal to Texas History