USGS Survey Mark Datasheets - Michigan
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Houghton and Keweenaw Counties 15-Minute Quads
Third-Order Leveling
| 47°15'N | Eagle River (1981) 6 pages, 1.8MB |
Eagle Harbor (1981) 6 pages, 1.9MB |
Copper Harbor (1970) 2 pages, 347KB |
Keweenaw Point (1966) 3 pages, 529KB |
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| 47°N | Beacon Hill (1981) 3 pages, 880KB |
Houghton (1981) 7 pages, 2.3MB |
Lake Linden (1981) 5 pages, 1.4MB |
Traverse Point (1981) 4 pages, 1.1MB |
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| 88°45'W | 88°30'W | 88°15'W | 88°W | 87°45'W | 87°30'W |
Third-Order Horizontal Control
| 47°15'N | Eagle River (1973) 3 pages, 816KB |
Eagle Harbor (1973) 3 pages, 790KB |
Copper Harbor (1973) 2 pages, 440KB |
Keweenaw Point (1966) 3 pages, 529KB |
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| 47°N | Beacon Hill (1973) 2 pages, 558KB |
Houghton (1952) 5 pages, 1.9MB |
Lake Linden (1973) 3 pages, 791KB |
Traverse Point (1973) 3 pages, 390KB |
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| 88°45'W | 88°30'W | 88°15'W | 88°W | 87°45'W | 87°30'W |