The Nation's Water Resources, 1975-2000: Water resources regional reports. [pt. 1] New England region. [pt. 2] Mid-Atlantic region. [pt. 3] South Atlantic-Gulf region. [pt. 4] Great Lakes region. [pt. 5[ Ohio region. [pt. 6] Tennessee region. [pt. 7] Upper Mississippi region. [pt. 8] Lower Mississippi region. [pt. 9] Souris-Red-Rainy region. [pt. 10] Missouri region. [pt. 11] Arkansas-White-Red region. [pt. 12] Texas-Gulf region. [pt. 13] Rio Grande region. [pt. 14] Upper Colorado region. [pt. 15] Lower Colorado region. [pt. 16] Great Basin region. [pt. 17] Pacific Northwest region. [pt. 18] California region. [pt. 19] Alaska region. [pt. 20] Hawaii region. [pt. 21] Caribbean region