Covers an area in southeastern British Columbia. Most of the area covered is in the Regional District of North Okanagan; the area includes Adams Lake, Shuswap Lake, Salmon Arm, Enderby, Armstrong, and Vernon. Relief shown by contours, shading, and spot heights. Depths shown by soundings. Also shows roads, trails, and Indian villages. Includes inset of the northern portion of Adams Lake. "Sheet No. 11"--Upper margin. "669"--Lower right margin. 1 map: col.; 54 x 51 cm., on sheet 67 x 92 cm.