JURISDICTION
Alaska
138
Colorado
22
Connecticut
7
Florida
4
Illinois
3
Maine
2
Massachusetts
Michigan
New Hampshire
Pennsylvania
1
Wisconsin
LOCALITIES
Arlington Heights
1,137
Elgin
582
Wheaton
404
Oak Park
388
Orland Park
Downers Grove
374
Naperville
338
Plainfield
326
Chicago
318
Rockford
307
Peoria
Champaign
293
Decatur
292
Springfield
284
COOK
283
FIRST LETTER
DOROTHY ANNE RICHTER
Illinois (Salem) - Licensed Professional Geologist Active