Federal

Office of Environmental Policy
Bureau of Oceans, Environment and Science
U.S. Department of State
Keystone XL Pipeline Final Environmental Impact Statement (FEIS)

PHMSA
Department of Transportation
Public Map Viewer
(Existing pipelines only)

Montana

Major Facility Siting Program
Montana Department of Environmental Quality
P.O. Box 200901
Helena, MT 59620-0901

Keystone XL Web Mapping Application

South Dakota

South Dakota Department of Environment and Natural Resources
523 E. Capitol Ave.
Pierre SD 57501

Texas

Railroad Commission of Texas
1701 N. Congress
Austin, Texas 78701

RRC Public GIS Map Viewer
T4 Permit: 07873