Brownwood, Texas

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

• 1916 USGS La Porte quadrangle1:24000
• 1916 USGS Laporte quadrangle1:24000
• 1920 USGS La Porte quadrangle1:31680, 3 printings
• 1944 USGS La Porte quadrangle1:31680
• 1950 USGS Houston quadrangle1:250000
• 1955 USGS La Porte quadrangle1:24000
• 1956 USGS Houston quadrangle1:250000, 2 printings
• 1967 USGS La Porte quadrangle1:24000
• 1975 USGS Houston quadrangle1:250000, 2 printings
• 1982 USGS La Porte quadrangle1:24000
• 1992 USGS Houston quadrangle1:100000
• 1995 USGS La Porte quadrangle1:24000

Regional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of Brownwood: 5 producers, 1 plant, 1 past producer. 6 still produce. What was taken out: Sulfur, Stone, Crushed/Broken, Sand and Gravel, Construction, Chlorine. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Every working recorded in Harris County

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

This settlement is recorded in the Geographic Names Information System as feature 1380960. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.