
The Keystone Reservoir dominates this landscape where the Arkansas River and Cimarron River converge, reflecting a period of significant hydrological change in the late 1950s and 1960s. The purple revisions on this map illustrate the inundation patterns following the construction of the dam, showing how the rising waters reshaped the terrain around the Osage Indian Reservation Boundary. The relocation of local life is evident at New Mannford and the established Keystone State Park, while smaller settlements like Prue and Waresha provide clues to the region's earlier rural footprint.
36 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.
4 editions found
30 maps found

1958 Keystone Dam
Pawnee County, OK

1978 Casey
Pawnee County, OK

1978 Lela
Pawnee County, OK

1978 Masham
Pawnee County, OK

1978 Watchorn
Pawnee County, OK
2009 Casey
Pawnee County, OK
2009 Lela
Pawnee County, OK
2009 Masham
Pawnee County, OK
2009 Watchorn
Pawnee County, OK
2010 Keystone Dam
Pawnee County, OK
2012 Casey
Pawnee County, OK
2012 Keystone Dam
Pawnee County, OK
2012 Lela
Pawnee County, OK
2012 Masham
Pawnee County, OK
2012 Watchorn
Pawnee County, OK
2016 Casey
Pawnee County, OK
2016 Keystone Dam
Pawnee County, OK
2016 Lela
Pawnee County, OK
2016 Masham
Pawnee County, OK
2016 Watchorn
Pawnee County, OK
2018 Casey
Pawnee County, OK
2018 Keystone Dam
Pawnee County, OK
2018 Lela
Pawnee County, OK
2018 Masham
Pawnee County, OK
2018 Watchorn
Pawnee County, OK

2022 Casey
Pawnee County, OK

2022 Keystone Dam
Pawnee County, OK

2022 Lela
Pawnee County, OK

2022 Masham
Pawnee County, OK

2022 Watchorn
Pawnee County, OK