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Soil map, Texas, Laredo sheet
Map displays soil types along with arroyos, creeks, rivers, ranches, towns, cemeteries, roads, and railroads. Legend includes soil profiles.
Date:
October 20, 1908
Creator:
United States. Bureau of Soils.
Object Type:
Map
System:
The Portal to Texas History
Soil survey of the Laredo area, Texas
Text describes the area, climate, agriculture, soils, and irrigation of the Laredo area of Texas.
Date:
October 20, 1908
Creator:
Mangum, A. W. & Lee, Ora
Object Type:
Book
System:
The Portal to Texas History
Rotary Engine
Patent for a rotary engine. Illustration included.
Date:
December 20, 1904
Creator:
Mackin, Samuel
Object Type:
Patent
System:
The Portal to Texas History