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| Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
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- Little Wood River Mining District (Muldoon Mining District)
| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
- Bay Horse Mining District
| Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
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| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
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| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
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| Ream, Lanny R. (1995) Idaho: Mineral Locality Index. Rocks & Minerals, 70 (4) 242-263 doi:10.1080/00357529.1995.9926628 |
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| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
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| Dake, H. C. (1956) Northwest Gem Trails - A Field Guide for the Gem Hunter, Mineral Collector and Tourist (2nd ed.) Gembooks. |
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| Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
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| Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
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| Young, M. W. 1971 Then and now at famous Graveyard Point: Gems and Minerals, no. 407, p. 16-17. Idaho, Oregon, field trip
Graveyard Point in Idaho, agate mine in Oregon. |
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| Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
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| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
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| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
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| Zenz, Johann
Agates, pg. 490-492 |
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| MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages. |
Beacon Hill, Washington County, Idaho, USA