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Spokane River Watersheds

Watershed Planning & Implementation for WRIAs 54, 55, 56, & 57

WRIA 57 Data-SVRP Aquifer Boundary

WRIA 57 Web Mapping Application

This layer includes the boundary of the Spokane Valley Rathdrum Prairie Aquifer defined in USGS Scientific Investigations Report 2007-5041.  This boundary is the current understanding of the aquifer boundary.