Union Lake
Reservoir in Oakland County, Michigan · on the USGS Walled Lake quadrangle
42.60649, -83.43450
Maps that show Union Lake
Get them in the map app
Walled Lake, MI
Detailed map of terrain, trails and roads
USGS topo, 2023

Pontiac, MI
Old map for history, not navigation
USGS historical 15-minute topo (1907)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-28 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-31 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).