Decker, Montana
Decker is an unincorporated community in Big Horn County, Montana, United States. Description
The community is located along Secondary Highway 314,  north-northeast of Sheridan. Decker has a post office with ZIP code 59025. The community is home to a one-room public school, the Spring Creek School; it has nine pupils and is one of 200 remaining one-room public schools in the United States. In the late 1930s, the State Water Conservation Board constructed the Tongue River Dam, creating a reservoir just north of Decker. Climate
According to the Köppen Climate Classification system, Decker has a semi-arid climate, abbreviated "BSk" on climate maps. See also

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Unincorporated communities in Big Horn County, Montana
Unincorporated communities in Montana