
Silvies River meanders through a broad valley in Grant County, defining a landscape shaped by high-desert ranching and water management. This area in the early 21st century remains anchored by the small settlement of Silvies, where the local Silvies Cem and nearby Hankins Cem provide points of interest for genealogists tracking the history of families in the Silvies Valley. The region's agricultural infrastructure is evident in the network of irrigation features such as Owens Ditch and W Side Ditch, which redirect water across the flats toward the Pronghorn Reservoir. To the north and east, the terrain rises into the timbered slopes of the Malheur National Forest, where numerous natural springs like Herman Spring and Soda Smith Spring dot the landscape. Notable peaks such as Charlie Smith Butte and Parasol Butte stand as prominent landmarks above the river basin and the private lands surrounding the Ponderosa Ranch Airport.
46 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.
1955 · Burns
USGS Topo · 1:250,000
1955 · Canyon City
USGS Topo · 1:250,000
1958 · Burns
USGS Topo · 1:250,000
1959 · Burns
USGS Topo · 1:250,000
1959 · Canyon City
USGS Topo · 1:250,000
1959 · West Myrtle Butte
USGS Topo · 1:62,500
1961 · Calamity Butte
USGS Topo · 1:62,500
1961 · Logdell
USGS Topo · 1:62,500
1961 · Seneca
USGS Topo · 1:62,500
1978 · John Day
USGS Topo · 1:100,000