Your search query has been changed...Tried: (geological and survey and u and s and ground and water and data and for and harris and county and texas)
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Water resources region 01 (New England) -- Water resources region 02 (Middle Atlantic) -- Water resources region 03 (South Atlantic-Gulf) -- Water resources region 04 (Great Lakes) -- Water resources region 05 (Ohio) -- Water resources region 06 (Tennessee) -- Water resources region 07 (Upper Mississippi) -- Water resources region 08 (Lower Mississippi) -- Water resources region 09 (Souris-Red-Rainy) -- Water resources region 10 (Missouri) -- Water resources region 11 (Arkansas-White-Red) -- Water resources region 12 (Texas-Gulf)