Pool 20
Reservoir in Sherburne County, Minnesota · on the USGS Orrock quadrangle
45.46330, -93.68191
Maps that show Pool 20
Get them in the map app
Orrock, MN
Detailed map of terrain, trails and roads
USGS topo, 2022
Elk River, MN
Old map for history, not navigation
USGS historical 15-minute topo (1961)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-14 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).