Couler Valley (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Couler Valley" in English language version.

refsWebsite

Global rank English rank

2^nd place

2^nd place

1cityofdubuque.org

low place

low place

5^th place

5^th place

8,907^th place

4,888^th place

167^th place

198^th place

cityofdubuque.org

"Bee Branch Creek History | Dubuque, IA – Official Website". www.cityofdubuque.org. Retrieved December 21, 2022.

doi.org

dx.doi.org

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.

doi.org

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.

iowa.gov

publications.iowa.gov

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.

usgs.gov

pubs.er.usgs.gov

Brown, C. Erwin; Collins, L.G.; Crosby, Percy (1955). "Geology and zinc-lead deposits in the Couler Valley area, Dubuque County, Iowa". {{cite journal}}: Cite journal requires |journal= (help)

worldcat.org

search.worldcat.org

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.