
The Upper Klamath National Wildlife Refuge dominates this landscape, where the waters of Agency Lake meet an extensive network of marshes and managed waterways. In this corner of the Klamath Basin, the hydrology is defined by human engineering and natural springs, including Fourmile Canal, Sevenmile Canal, and the namesake Crystal Spring. The map captures the transition from the aquatic environments of Fourmile Slough to the timbered slopes of the Winema National Forest. Forest access is provided by numerous routes such as the Threemile Loop and Nat For Dev Rd 3450, while recreational points like the Malone Boat Launch near Malone Spring highlight the area's significance for outdoorsmen. To the west, the terrain rises toward Cherry Peak and the high ground of Penn Prairie, overlooking the intricate Agency Straits below.
35 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Klamath
USGS Topo · 1:250,000
1891 · Ashland
USGS Topo · 1:250,000
1893 · Ashland
USGS Topo · 1:250,000
1894 · Klamath
USGS Topo · 1:250,000
1897 · Ashland
USGS Topo · 1:250,000
1955 · Lake O' Woods
USGS Topo · 1:62,500
1955 · Pelican Butte
USGS Topo · 1:62,500
1955 · Klamath Falls
USGS Topo · 1:250,000
1955 · Medford
USGS Topo · 1:250,000
1957 · Medford
USGS Topo · 1:250,000