http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Natural gas pipelines of the United States and Canada
mapped, edited, and published by PennWell Publishing Co.
Shows United States and southern Canada.
Includes indexes to "Pipeline operators", tables of United States LP-Gas Import Terminals and Gas Processing of United States and Canada, ancillary maps of Alaska and the Northwest Territories area, and 2 continuation maps of Canada (same scale).
Scale [ca. 1:3,592,512]. 1 in. equals approx. 56.7 miles. 1 cm. equals 35.3 km. ;
Albers equal area proj. based on standard parallels 29⁰30ʹ and 45⁰30ʹ