Official Statements

Before the Senate Energy and Natural Resources Subcommittee on Water and Power, on S. 2779, the Upper Mississippi River Basin Protection Act

Before the House Appropriations Subcommittee on Interior, Environment and Related Agencies, May 27, 2010, on USGS Science in Response to the Deepwater Horizon Oil Spill

Before the House Natural Resources Committee Subcommittee on Energy and Mineral Resources, on the FY2011 Budget Proposal

Before the House Natural Resources Committee Subcommittee on Water and Power, U.S. House of Representatives, on the FY 2011 budget proposal.

Before the Senate Committee on Energy and Natural Resources, Subcommittee on Water and Power on the science of Asian carp and efforts to prevent their introduction to the Great Lakes.

Before the Committee on Natural Resources, Subcommittee on Energy and Mineral Resources on the reauthorization of the four-agency National Earthquake Hazards Reduction Program (NEHRP).

Before the United States Senate Committee on Environment and Public Works on Oversight of Federal Drinking-Water Programs

Before the Subcommittee on Energy and Mineral Resources on Abandoned Mines and Mercury in California with USGS appendix of reference material.

Before the Committee on Natural Resources, Subcommittee on Water and Power on Collecting and Managing Water Data.

Before the House Committee on Resources Subcommittee, Subcommittee on Water and Power on Inland Empire Perchlorate Ground Water Plume Assessment Act of 2009 (HR 2316).

Before the House Committee on Resources Subcommittee on Energy and Mineral Resources on Unconventional Fuels II: The Promise of Methane Hydrates.

Before the House Natural Resources Committee, Subcommittee on Energy and Minerals Subcommittee on the AmericaView Geospatial Imagery Mapping Program Act.