UNT Libraries Government Documents Department - 7 Matching Results

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Royse City Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500
Date: 1919
Creator: United States. Army. Corps of Engineers.
Location: 32.88 -96.38

Rockwall Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1912
Creator: Geological Survey (U.S.)
Location: 32.94 -96.44

Rockwall Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:31680
Date: 1912
Creator: Geological Survey (U.S.)
Location: 32.94 -96.44

Flue-Cleaner.

Description: Patent for a portable flue cleaner for boilers. Through a nozzle on the cleaner, the flue cleaner uses the steam from the boiler to remove dirt, dust and soot. The dirt is forced out of the boiler when the steam escapes.
Date: August 17, 1915
Creator: Leonard, Carl
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