LICENSE CATEGORY
Boiler
10
Electrical
7
Medical
3
Plumbing
1
LOCALITIES
Cottage Grove
9
Hastings
8
Lakeville
5
Red Wing
Hopkins
Arlington
Champlin
Chaska
Dassel
Elk River
Princeton
2
Minneapolis
Tower
Marshall
Little Falls
FIRST LETTER
ZIEGLER, JOSEPH C
Minnesota (Rochester) - Boiler - Chief C Engineer Issued