Umma, a town of Prussia, once a Hanse town, in Westphalia, 15 miles E. of Dortmund. Nearby are the famous salt-works of Königsborn, yielding 120,000 cwt. of salt annually. Pop. 8904.
Umma
Chambers's Encyclopaedia, Volume 10: Swastika to Zyrianovsk and Index, p. 400
Source scan(s): p. 0425