Lents, Oregon

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.

• 1914 USGS Oregon City quadrangle1:62500, 4 printings
• 1939 USGS Oregon City quadrangle1:62500
• 1941 USGS Oregon City quadrangle1:62500
• 1948 USGS Vancouver quadrangle1:250000
• 1950 USGS Vancouver quadrangle1:250000, 2 printings
• 1954 USGS Gladstone quadrangle1:24000
• 1958 USGS Vancouver quadrangle1:250000, 3 printings
• 1961 USGS Gladstone quadrangle1:24000, 6 printings
• 1961 USGS Oregon City quadrangle1:62500
• 1964 USGS Vancouver quadrangle1:250000
• 1975 USGS Gladstone quadrangle1:24000
• 1982 USGS Oregon City quadrangle1:100000

Regional context, not property-specific evidence. The federal mineral resources record lists 38 workings within 5 miles of Lents: 28 past producers, 10 producers. 10 still produce. What was taken out: Sand and Gravel, Construction, Stone, 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 Multnomah 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 1123040. 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.