UNT Libraries Government Documents Department - 3 Matching Results
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- 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.
- Improvement In Padlocks.
- Patent for improvements to Padlocks which can be opened with a key in conjunction with maneuvering the tumblers or locking-bolt.
- Intrenching-Tool.
- Patent for certain new and useful improvements in intrenching tools, including instructions and illustrations.