Ground water levels, western Colorado alluvial and bedrock aquifers

Began with 2000; ceased with 2004., Cover., Print version record.

Ground water levels, western Colorado alluvial and bedrock aquifers. 2000
Ground water levels, western Colorado alluvial and bedrock aquifers. 2000
Ground water levels, western Colorado alluvial and bedrock aquifers. 2001
Ground water levels, western Colorado alluvial and bedrock aquifers. 2001