Collection
Serial/Series Title
Country
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Evaluating the Ground-Water Resources of the High Plains of Texas: Volume 2
Second volume of a report documenting a study to map the High Plains aquifer and obtain data about various measurements and aspects of the aquifer. This volume provides "supporting basic data including records of wells and county maps depicting well locations, elevation of base of aquifer, elevation of water levels in 1980, and saturated thicknesses in 1980" for the northern third of the study area.
Date:
August 1984
Creator:
Knowles, Tommy; Nordstrom, Phillip & Klemt, William B.
Object Type:
Report
System:
The Portal to Texas History
Grain-Drill Attachment.
Patent for combining a plow and a grain drill into one device, to reduce the number of times the soil needs to be turned per planting.
Date:
August 29, 1915
Creator:
McAdams, William J.
Object Type:
Patent
System:
The Portal to Texas History
Film Feeding Mechanism for Cameras
Patent for a film feeding mechanism for cameras. Illustrations included.
Date:
August 6, 1912
Creator:
Caldwell, Elmer A.
Object Type:
Patent
System:
The Portal to Texas History