heads at glacier, flows NE 27 mi. to South Fork Kuskokowim River 5.3 mi. NW of its junction with Styx River, 95 mi. NW of Tyonek; Alaska Range
named in 1898 by J. E. Spurr, U.S. Geological Survey (USGS), for George Hartman, a member of his party.
Flahart Lake, Marsh Lake, Post Lake, Styx Lake,
Mountains:Mount Rich, Twin Sisters Peak,
Mountain Passes:Mountain Ranges:Ridges:Rivers:Streams:Boulder Creek, Brush Creek, Denny Creek, Fish Creek, Johnson Creek, Ptarmigan Creek, Timber Creek, Wolverine Creek,
Valleys: