Polk County Carney Marsh Ne 70th Ave Ankeny, IA 50021 Phone : (515) 266-1563 Business Category Government Offices-County Legislative Bodies Polk County Of--offices/departments, Conservation Board, Carney Marsh Ne 70th Ave Ankeny, IA 50021 Phone : (515) 266-1563 Business Category Government Offices-County Campgrounds Recreational Vehicle Parks & Campsites Government Offices & Public Schools Polk County Four-mile Creek Trl Copper Creek Dr Pleasant Hill, IA 50327 Phone : (515) 266-1563 Business Category Government Offices-County Legislative Bodies Yellow Banks Park 6801 Se 32nd Ave Des Moines, IA 50327 Phone : (515) 266-1563 Business Category Campgrounds Parks & Playgrounds Recreational Vehicle Parks & Campsites Amusement & Recreation Polk County Of--offices/departments, Conservation Board, Yellow Banks Park 6801 Se 32nd Ave Des Moines, IA 50327 Phone : (515) 266-1563 Business Category Government Offices-County Campgrounds Recreational Vehicle Parks & Campsites Government Offices & Public Schools Polk County Of--offices/departments, Conservation Board-ben Van Gundy, Four-mile Creek Greenway Trail Copper Creek Dr Plea Des Moines, IA 50307 Phone : (515) 266-1563 Business Category Government Offices-County Campgrounds Recreational Vehicle Parks & Campsites Government Offices & Public Schools