Assertion: mississippian aquifer | /r/HasAspect | gradual overall slope
Facets:
value: like the bedrock aquifers beneath it
type: OTHER
value: to the southwest
type: LOCATION
Source sentences:
text: Like the bedrock aquifers beneath it, the entire Mississippian aquifer has a gradual overall slope to the southwest, so that hundreds of feet of younger Pennsylvanian strata and glacial clays overlie the aquifer in south-central and southwestern Iowa.