A paved road with a white wooden guardrail follows the Mississippi River, with one automobile on the roadway. Across the water, the Keokuk power house and dam span the river between Iowa and Illinois. The view is from the Illinois bank, looking toward Keokuk, Iowa. The dam and power house, completed in the early 1910s, were a major hydroelectric works on the Mississippi and among the largest of their day.
Real photo postcard; black-and-white image; caption in white lettering at bottom reading 'HIGHWAY-10-ILL. SHOWING POWER HOUSE AND DAM KEOKUK, IOWA'; car suggests late 1930s/1940s.
No postmark or stamp present. Divided-back real-photo card with EKC stamp box; series E-79; printed imprint 'ALL RIGHTS RESERVED — THE L. L. COOK CO., MILWAUKEE'. Dealer pencil mark 'RMLJ $4.00' at top left; faint pencil inscription at lower right reading 'Mamie's gift / Mild. Lyons 1940'.
Cite this card
Highway 10, Keokuk power house and dam, Keokuk, IA, circa 1940, postcard, c. 1940. PostalPast Collection. https://postalpast.com/postcard/highway-10-keokuk-power-house-and-dam-keokuk-ia-circa-1940. Accessed November 2, 2026.
