Pathfinders of the great plains : a chronicle of La Vérendrye and his sons /
Burpee, Lawrence J.(Lawrence Johnstone),1873-1946,author.
Bartholomew (Firm),cartographer.
Map: "La Vérendrye explorations, 1731-43" at scale 1: 20,000,000 by Bartholomew.
Includes bibliographical references (page 113) and index.
La Vérendrye, Pierre Gaultier de Varennes, sieur de, 1685-1749.