Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
MAST WATERCARE
MAST WATERCARE. The 1987 Dubuque City Directory listed only a telephone number.
The 1989 Dubuque City Directory listed the phone number for Mast Watercare and Engineering.