| Couler Valley | |
|---|---|
 The Couler Valley as seen from a bridge on the Heritage Trail over Iowa Highway 3 | |
| Length | 5 miles (8.0 km) |
| Width | 0.5 miles (0.80 km) |
| Depth | 200 feet (61 m) |
| Geography | |
| Country | United States |
| State | Iowa |
| Region | Dubuque County |
| Coordinates | 42°33′35″N 90°42′33″W / 42.55972°N 90.70929°W |
| Rivers | Bee Branch Creek, Little Maquoketa River |
The Couler Valley is a valley near Dubuque, Iowa, and has the Bee Branch Creek, previously known as the Couler Creek, located in it.[1] It is about 5 miles (8.0 km) long.[2][3] It is found in the Driftless Area.[3]
- ^ "Bee Branch Creek History | Dubuque, IA – Official Website". www.cityofdubuque.org. Retrieved December 21, 2022.
- ^ Heyl, Allen V.; Agnew, Allen F.; Lyons, Erwin J.; Behre, Charles H.; Flint, Arthur E. (1959). "The Geology of the Upper Mississippi Valley Zinc-Lead District". Professional Paper. doi:10.3133/pp309. ISSN 2330-7102.
- ^ a b Witzke, Brian; Bettis, Arthur; Anderson, Raymond; Heathcote, Richard (April 27, 1997). Geology in the Dubuque Area (PDF) (Guidebook 63 ed.). Iowa City, Iowa: Iowa Department of Natural Resources. pp. 2, 10. Retrieved December 26, 2022.