Airports 3,551 to 3,600
Princeton-Kauffman Memorial Airport
Crystal Lake Holiday Inn Heliport
Mercyhealth Crystal Lake Hospital Heliport
Pelican Narrows Airport
Butler Hill Restricted Landing Area
Northwestern Memorial Healthcare Heliport
Campbell Airport
O John Clark Restricted Landing Area
Putnam County Memorial Hospital Heliport
NW Lake Forest Hospital-Grayslake Heliport