経緯度(W 970「ウ」--W 900「ウ」/N 490「ウ」--N 440「ウ」)
一般注記Includes text, bibliography, 2 tables, 1 figure, and 1 cross section
Physical description for original version: 13 maps on 2 sheets ; 28 x 26 cm. or smaller, sheets 89 x 102 cm., folded in envelope 30 x 24 cm
原資料等に関する注記原資料の出版事項: St. Paul, Minn. ; Denver, Colo. : The Survey : Open-File Services Section, Western Distribution Branch, 1983
SUPTDOC番号: I 19.42/4: 83-4045