Water-quality trend analysis and sampling design for the Souris River, Saskatchewan, North Dakota, and Manitoba / by Aldo V. Vecchia ; in cooperation with the North Dakota Department of Health.
出版資料
Bismarck, N.D : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services [distributor], 2000.