Activities of the Water Resources Division in Arizona, 1996-97 [microform] / compiled by Steve A. Longsworth, Ellen K. Van De Vanter, and Sidney H. Alwin (Open-file report ; 98-185)
Activities of the Water Resources Division in Arizona, 1996-97 [microform] / compiled by Steve A. Longsworth, Ellen K. Van De Vanter, and Sidney H. Alwin