Front:
GREETINGS FROM LEWIS AND CLARK LAKE VISITOR CENTER
GAVINS POINT DAM, YANKTON, SOUTH DAKOTA
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Back:
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Top View: The Lewis and Clark Lake Visitor Center, with Lake
Yankton in the background. The Visitor Center, with over three
million visitors annually, was dedicated October 1, 1976.
Bottom View: Gavins Point Dam, built of compacted earth, ex-
tends 8,700 feet across the Missouri River Valley. Lewis and
Clark Lake extends 25 miles upstream, covers 32,000 acres
and stores 520,000 acre-feet of water at maximum operating
pool level. Construction of Gavins Point Dam was started in
1952, and completed in 1955.
Pub. by Pospeshil Card Service, 1517 West Second St., Sioux City, IA 51103
MEGREW COLOR GRAPHICS
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Color Photos by Harold L. Pospeshil
KANSAS CITY MO 64108
981008
