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2007 Economic Census Map: Dallas-Fort Worth, Texas Combined Statistical Area
Map showing the area of the Dallas-Fort Worth, Texas Combined Statistical Area for which the U.S. Census Bureau collected data during the 2007 economic census.
Date:
2007
Creator:
United States. Bureau of the Census.
Object Type:
Map
System:
The Portal to Texas History
Water-Conveyer.
Patent for a water conveyer for irrigation, which has a series of buckets on a conveyer belt which pour over a waterwheel to power the motor of the machine. This model has streamlined the buckets water flow to minimize the power used from the motor.
Date:
December 24, 1907
Creator:
Dove, John Oliver & Wirsing, Charley
Object Type:
Patent
System:
The Portal to Texas History