"Lambert conformal conic projection, standard parallels 51⁰25ʹ and 60⁰55ʹ." "Supplement to the National Geographic, May 1979, page 650A, vol. 155, no. 5." Folded title: Close-up, Canada, Saskatchewan, Manitoba, Northwest Territories. Includes descriptive
1 map : col. ; on sheet 79 x 58 cm. fold. to 20 x 15 cm.
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