1. Reconnaissance of mercury and methylmercury in the St. Croix River and selected tributaries, Minnesota and Wisconsin, July 2000 through October 2001 Author/Creator: Payne, G. A. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. Reconnaissance of mercury and methylmercury in the St. Croix River and selected tributaries, Minnesota and Wisconsin, July 2000 through October 2001 Author/Creator: Payne, G. A., author Publication/Creation: [Mounds View, Minn.] : U.S. Deptartment of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
3. Reconnaissance of mercury in lakes, wetlands, and rivers in the Red River of the North Basin, North Dakota, March through August 2001 Publication/Creation: Bismarck, N.D. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2003 Resource Type: Book Access & Availability: Loading