Oklahoma participates in a number of regional intergovernmental agreements, among them the Arkansas River Compact, Arkansas River Basin Compact, Canadian River Compact, Interstate Oil and Gas Compact, Red River Compact, South Central Interstate Forest Fire Protection Compact, Southern Growth Policies Board, Southern States Energy Board, Southern Regional Education Board, Interstate Mining Compact Commission, and the Central Interstate Low-Level Radioactive Waste Compact. Federal grants in 2001 totaled over $4.1 billion.