| Business | Phone |
| Mines & Minerals Program 502 E 9th St, Des Moines 50319 | (515) 281-4246 |
| Natural Resources Dept 401 Sw 7th St I, Des Moines 50309 | (515) 725-0268 |
| Natural Resources Dept 502 E 9th St, Des Moines 50319 | (515) 281-5918 |
| Parks & Recreation Bureau 900 E Grand Ave 502, Des Moines 50319 | (515) 281-5886 |
| Iowa Dept-Natural Resources 502 E 9th St, Des Moines 50319 | (515) 281-5876 |
| Land Acquisition Bureau 900 E Grand Ave 502, Des Moines 50319 | (515) 281-5634 |