
Lyman Fork winds through this high-elevation Alaskan landscape, carving a deep valley through the northern reaches of the Bethel Census Area. The terrain is defined by extreme relief and complex drainage patterns, where steep ridgelines descend toward the watercourse from elevations exceeding 6,000 feet. The absence of roads or permanent structures within the boundaries of t22n r26w and t21n r26w highlights the untouched nature of this subarctic wilderness in the early 21st century. Instead of human development, the map reveals the intricate natural geometry of glacial valleys and alpine streams, providing a clear record of the area's geomorphology before any modern encroachment. Researchers interested in the hydrology of the Kuskokwim River watershed can trace the headwaters of the Lyman Fork as they gather from the surrounding peaks.
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This is the sole edition of this map. No revisions or reprints were ever made.
1949 · McGrath
USGS Topo · 1:250,000
1950 · McGrath
USGS Topo · 1:250,000
1951 · Lime Hills
USGS Topo · 1:250,000
1958 · McGrath A-2
USGS Topo · 1:63,360
1958 · McGrath A-3
USGS Topo · 1:63,360
1958 · Lime Hills D-3
USGS Topo · 1:63,360
1958 · Lime Hills D-4
USGS Topo · 1:63,360
1958 · McGrath
USGS Topo · 1:250,000
1958 · Lime Hills
USGS Topo · 1:250,000
2019 · Lime Hills D-3 SW
USGS Topo · 1:25,000