Historical USGS topographic maps
The US Geological Survey has mapped the country in quadrangles since the 1880s and kept every edition. Each result here is one quadrangle at one scale, with all its editions listed on its page and downloads as GeoTIFF and GeoPDF.
Why they are free to use: Made by the US Geological Survey: US government works, not protected by copyright in the US. Each map's page shows its own licence basis and a credit line.
National parks
Search “USGS topographic map of Yosemite Valley national park” for more, or ask Claude for it
Yosemite Valley, California: USGS topographic map, 1:100,000 (1976)
1976 · 2 editions
Yosemite, California: USGS topographic map, 1:62,500 (1956)
1956 · 4 editions
Yosemite, California: USGS topographic map, 1:125,000 (1897–1909)
1897–1909 · 11 editions
Yosemite Falls, California: USGS topographic map, 1:24,000 (1990–1997)
1990–1997 · 3 editions
Half Dome, California: USGS topographic map, 1:24,000 (1990–1997)
1990–1997 · 4 editions
Tuolumne Meadows, California: USGS topographic map, 1:62,500 (1956)
1956 · 5 editions
Tenaya Lake, California: USGS topographic map, 1:24,000 (1990–1997)
1990–1997 · 3 editions
Tioga Pass, California: USGS topographic map, 1:24,000 (1990–1994)
1990–1994 · 5 editions
Cities
Search “USGS topographic map of a city, 1890s edition” for more, or ask Claude for it
Kansas City, Kansas: USGS topographic map, 1:125,000 (1890–1894)
1890–1894 · 8 editions
Kansas City, Missouri: USGS topographic map, 1:125,000 (1890–1894)
1890–1894 · 8 editions
Springfield, Massachusetts: USGS topographic map, 1:62,500 (1886–1920)
1886–1920 · 15 editions
Los Angeles, California: USGS topographic map, 1:62,500 (1894–1900)
1894–1900 · 5 editions
Birmingham, Alabama: USGS topographic map, 1:125,000 (1889–1907)
1889–1907 · 9 editions
Topeka, Kansas: USGS topographic map, 1:125,000 (1889–1894)
1889–1894 · 6 editions
Newburyport, Massachusetts: USGS topographic map, 1:62,500 (1888–1894)
1888–1894 · 9 editions
Boise, Idaho: USGS topographic map, 1:125,000 (1892–1897)
1892–1897 · 5 editions
Mountains
Search “USGS topographic map of a mountain range in Colorado” for more, or ask Claude for it
Mount Ouray, Colorado: USGS topographic map, 1:24,000 (1980–1994)
1980–1994 · 6 editions
Carrizo Mountain, Colorado: USGS topographic map, 1:24,000 (1978–1996)
1978–1996 · 2 editions
Twin Mountains, Colorado: USGS topographic map, 1:24,000 (1967–2001)
1967–2001 · 5 editions
Mount Yale, Colorado: USGS topographic map, 1:24,000 (1982–1994)
1982–1994 · 3 editions
Mount Harvard, Colorado: USGS topographic map, 1:24,000 (1982–1994)
1982–1994 · 3 editions
Pagoda Peak, Colorado: USGS topographic map, 1:24,000 (1966–2000)
1966–2000 · 6 editions
Matchless Mountain, Colorado: USGS topographic map, 1:24,000 (1967–2001)
1967–2001 · 5 editions
Quaker Mountain, Colorado: USGS topographic map, 1:24,000 (1971–2000)
1971–2000 · 5 editions
Coasts
Search “USGS topographic map of a coast and bay” for more, or ask Claude for it
Pelican Bay, Oregon: USGS topographic map, 1:24,000 (1985–1998)
1985–1998 · 2 editions
Boston Bay, Massachusetts: USGS topographic map, 1:62,500 (1892–1903)
1892–1903 · 13 editions
Coos Bay, Oregon: USGS topographic map, 1:125,000 (1896–1900)
1896–1900 · 9 editions
North Bay, North Carolina: USGS topographic map, 1:24,000 (1948–2002)
1948–2002 · 3 editions
Bay Side, New Jersey: USGS topographic map, 1:62,500 (1890–1931)
1890–1931 · 7 editions
Long Bay, North Carolina: USGS topographic map, 1:24,000 (1949–1950)
1949–1950 · 4 editions
Kuskokwim Bay, Alaska: USGS topographic map, 1:250,000 (1951–1954)
1951–1954 · 4 editions
Mill Bay, South Carolina: USGS topographic map, 1:24,000 (1990)
1990 · USGS Historical Topographic Map Collection
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