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S OF PRESENTATION approach to remediation. This report summarizes technical results of the first year of the USGS AML Initiative and includes abstracts for talks and posters presented at the workshop. Also included in this report is a paper that summarizes presentations given at the workshop by representatives of stakeholders, Federal land-management agencies, State regulatory agencies, and the U.S. Environmental Protection Agency, in a session titled "Perspectives on Implementing the Watershed Approach to Remediate Abandoned Mine Lands." The watershed approach as presented by the interagency task force has four general components: 1. Statewide analysis and watershed prioritization Information available at the state scale is used to prioritize watersheds for further study; 2. Watershed characterization The extent, sources, and effects of contamination are characterized within a priority watershed; and this information is used to prioritize individual sites for remediation; 3. Site characterization in support of remediation Detailed characterization of sites targeted for remediation is used to design and implement effective remedial measures and to define realistic remediation goals; and 4. Monitoring Continued monitoring is implemented to measure indicators of improvement in watershed quality and effectiveness of remediation. The watershed approach: gives high priority to actions likely to improve water and ecosystem quality most significantly, will greatly accelerate and reduce the total cost of remediation compared to remediating on a

Science for watershed decisions on abandoned mine lands; review of preliminary results, Denver, Colorado, February 4-5, 1998