Collection
Serial/Series Title
Country
Counties
Decade
Month
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Edwards Aquifer Hydrogeologic Status Report for 1992
Report on the status of the Edwards Aquifer, discussing current and historic water levels, trends, and water quality.
Date:
August 1993
Creator:
Edwards Underground Water District (Tex.). Field Operations Division.
Object Type:
Report
System:
The Portal to Texas History
Intrenching-Tool.
Patent for certain new and useful improvements in intrenching tools, including instructions and illustrations.
Date:
August 8, 1899
Creator:
Hoffmann, Arnold G.
Object Type:
Patent
System:
The Portal to Texas History
Improvement In Padlocks.
Patent for improvements to Padlocks which can be opened with a key in conjunction with maneuvering the tumblers or locking-bolt.
Date:
August 14, 1878
Creator:
Jacobs, Morris
Object Type:
Patent
System:
The Portal to Texas History