Scale 1:500,000. Coordinates: W 84⁰52ʹ--W 80⁰30ʹ/N 42⁰--N 38⁰22ʹ Includes tables of "Oil pipe lines," "Gas storage areas," and "Gas pipe lines." "A revision of the 1955 publication, compiled by Robert L. Alkire." Revised. Division of Geological Survey ; cartographic drafting by Philip Celnar. "Base map by U.S.G.S."
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