Geological Survey (U.S.) & ProQuest (Firm). [Geol. Surv. prof. paper 71; Index to stratigraphy of North America, pt. 2: Maps enclosed with 5760-1 H.doc.998]. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). [Geol. Surv. Prof. Paper 71; Index to Stratigraphy of North America, Pt. 2: Maps Enclosed with 5760-1 H.doc.998]. Washington: [publisher not identified].
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). [Geol. Surv. Prof. Paper 71; Index to Stratigraphy of North America, Pt. 2: Maps Enclosed with 5760-1 H.doc.998]. [publisher not identified].
Warning: These citations may not always be 100% accurate.