ISHPEMING, a city and township in Marquette county, Michigan, U.S., is situated in the heart of the Lake Superior iron-fields, about 15 miles west of Lake Superior, and 400 miles north of Chicago, with which it is connected by rail. The export of iron-ore in 1880 was 700,000 tons, valued at $3,500,000, while the lumbering and other industries are proportionately extensive. There are two blast furnaces, with a daily capacity of 60 tons of pig iron. Ishpeming was incorporated as a city in 1873. In 1880 the population of the city was 6,039, and. of the township 1,967.