Chapin Mine Steam Pump Engine

Chapin Mine Steam Pump Engine
Illustration from E.P. Allis Co, manufacturer. Note figure at left for scale.
LocationKent St., Iron Mountain, Michigan
Coordinates45°49′30″N 88°4′12″W / 45.82500°N 88.07000°W / 45.82500; -88.07000
Area1 acre (0.40 ha)
Built1891
ArchitectEdwin P. Reynolds
NRHP reference No.81000305
Significant dates
Added to NRHPJuly 9, 1981
Designated MSHSFebruary 19, 1958

The Chapin Mine Steam Pump Engine, also known as the Cornish Pump, is a steam-driven pump located at the corner of Kent Street and Kimberly Avenue in Iron Mountain, Michigan, United States. It is the largest reciprocating steam-driven engine ever built in the United States. It was listed on the National Register of Historic Places in 1981, and designated a Michigan State Historic Site in 1958.