Keyword · 4 objects

bathymetric contours

A keyword drawn from what is visible in these objects, rather than from a fixed list. It exists because someone will look for this and nothing else. Spanning 3 maps, 1 plates — this archive's own cartography.

• USGS 1:24000-scale Quadrangle for Garden Island West, MI 1980U.S. Geological Survey
• USGS 1:62500-scale Quadrangle for Gull Island, MI 1955 · gull-island-1955-62500-278176U.S. Geological Survey
• USGS 1:62500-scale Quadrangle for Hog Island, MI 1955 · hog-island-1955-62500-278201U.S. Geological Survey
• Coasts, harbors, and navigation context of the Beaver Island archipelagoDrawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS, USGS 3DEP, and NOAA NCEI Great Lakes bathymetry (public domain).

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