
Mascall Ranch and the Erickson Mill anchor this part of Grant County, where the John Day River winds through a landscape defined by significant geologic formations. The map details the transition from the high elevations of Sugarloaf and Middle Mountain down into the iconic Picture Gorge. Historical land use is evident in features like Rudio Meadows and the Lands End Landing Strip, while the network of drainages including Johnny Creek, Dick Creek, and Franks Creek carve through the basin. This survey provides a clear look at the area's rural infrastructure, from Dick Creek Rd to several named springs and gulches, reflecting a region where ranching and natural landmarks like Turtle Cove and the Hole in the Ground define the local geography.
21 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.
1932 · Dayville
USGS Topo · 1:125,000
1936 · Dayville
USGS Topo · 1:125,000
1940 · Aldrich Mtn.
USGS Topo · 1:62,500
1943 · Aldrich Mtn.
USGS Topo · 1:62,500
1951 · Courtrock
USGS Topo · 1:62,500
1953 · Picture
USGS Topo · 1:62,500
1955 · Canyon City
USGS Topo · 1:250,000
1959 · Canyon City
USGS Topo · 1:250,000
1972 · Day Basin
USGS Topo · 1:24,000
1972 · Aldrich Mountain North
USGS Topo · 1:24,000