MARC全文
0200042280 20031128141959.0 t2003 vaua fr |00||||eng | 0-607-89548-8(pbk.) NGL a497 Galloway, Devin L. 地下水管理中形成的问题与实践--有关科研任务的实例研究. chi Evolving issues and practices in managing ground-water resources: case studies on the role of science / by Devin L. Galloway ... [et al]. Reston, Virginia : U.S. Geological Survey, 2003. vii, 73 p. : ill. ; 28 cm. U.S. Geological Survey circular ; 1247 Groundwater ; Groundwater Management. ; Management ; Case studies. Circular / U.S. Geological Survey ; 1247. NGL EB00064651 P 254.2 C49u v1247 ahm b1 ehmm0306