
Earthquake Lake dominates this rugged corner of the Madison River valley, a landscape fundamentally reshaped by the 1959 seismic event. The map documents the Madison Slide and the subsequent creation of the lake, with the Earthquake Memorial and Visitors Center serving as key landmarks for understanding the area's geomorphology. To the west, the Missouri Flats offer a stark contrast to the surrounding peaks of the Horn Mountains and Sheep Mountain.
44 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Cliff Lake
USGS Topo · 1:62,500
1950 · Hebgen Dam
USGS Topo · 1:62,500
1950 · Upper Red Rock Lake
USGS Topo · 1:62,500
1955 · Ashton
USGS Topo · 1:250,000
1958 · Ashton
USGS Topo · 1:250,000
1960 · Ashton
USGS Topo · 1:250,000
1964 · Targhee Pass
USGS Topo · 1:24,000
1964 · Targhee Peak
USGS Topo · 1:24,000
1964 · Henrys Lake
USGS Topo · 1:62,500
1988 · Hidden Lake Bench
USGS Topo · 1:24,000