| Mines of Spain State Recreation Area and E. B. Lyons Nature Center | |
|---|---|
 Julien Dubuque's monument | |
  Location of Mines of Spain State Recreation Area and E. B. Lyons Nature Center in Iowa | |
| Location | Dubuque, Iowa, United States |
| Coordinates | 42°27′45″N 90°39′45″W / 42.46250°N 90.66250°W |
| Area | 1,380 acres (5.6 km2) |
| Elevation | 751 ft (229 m)[1] |
| Established | 1981 |
| Named for | Julien Dubuque's Mines |
| Governing body | Iowa Department of Natural Resources |
Julien Dubuque's Mines | |
| Built | 1897 |
| Architect | Alexander Simplot; Carter Bros. |
| Architectural style | Late Gothic Revival |
| MPS | Mines of Spain Archeological MPS |
| NRHP reference No. | 88002662 |
| Significant dates | |
| Added to NRHP | November 21, 1988[2] |
| Designated NHLD | November 04, 1993[3] |
The Mines of Spain State Recreation Area and E. B. Lyons Nature Center is a state park in Dubuque County, Iowa, United States. It is near Dubuque, the eleventh-largest city in the state. The park features picnic areas, 15 miles (24 km) of walking/hiking trails, 4 miles (6.4 km) of ski trails, and the Betty Hauptli Bird and Butterfly Garden. It also includes archaeological sites of national importance as an early lead mining and smelting venture led by French explorer Julien Dubuque, as well as Dubuque's gravesite. These sites were collectively designated a National Historic Landmark District as Julien Dubuque's Mines.
- ^ "Mines of Spain State Park". Geographic Names Information System. United States Geological Survey. January 1, 2000. Retrieved February 27, 2011.
- ^ "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.
- ^ "Julien Dubuque's Mines". National Historic Landmark summary listing. National Park Service. Archived from the original on August 9, 2007. Retrieved October 10, 2007.
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