Norma, Illinois

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.

• 1900 USGS Highwood quadrangle1:62500, 5 printings
• 1927 USGS Arlington Heights quadrangle1:24000, 3 printings
• 1953 USGS Arlington Heights quadrangle1:24000
• 1958 USGS Racine quadrangle1:250000, 3 printings
• 1962 USGS Arlington Heights quadrangle1:24000
• 1962 USGS Racine quadrangle1:250000
• 1963 USGS Arlington Heights quadrangle1:24000, 2 printings
• 1980 USGS Waukegan quadrangle1:100000
• 1993 USGS Arlington Heights quadrangle1:24000
• 1995 USGS Arlington Heights quadrangle1:24000

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Norma: 1 past producer. None of them still produces. What was taken out: Stone, Crushed/Broken. 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 Cook 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 1831494. 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.