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Agate from Illinois Basin, North America Plate

06426980014947202849747.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
01040330014946728733851.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
05018870014977634541034.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
09366940014950449517059.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
02420110014947202824845.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
01040330014946728733851.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
04829330014947099433063.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
01785770015060066566225.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
06426980014947202849747.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
02117740014946728746481.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
05018870014977634541034.jpg
Agate

Union Road, Lindbergh Boulevard and Interstate 55 Road intersection, St. Louis County, Missouri, USA
09564950014959843091504.jpg
Agate

Chain of Rocks Gravel Bar, Madison County, Illinois, USA
USA
 
  • Illinois
    • Hancock County
Beste, Bob (1996) Location Guide for Rockhounds in the United States (2nd ed.) Vol. 2 - Part II - Illinois to North Dakota.
MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages.
    • Henry County
MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages.
    • Madison County
Conroy, Kevin (2023) Personal Communication.
    • Peoria County
      • Chillicothe
[var. Lake Superior Agate] Rocks & Minerals (1955) 30:370
    • Putnam County
[var. Lake Superior Agate] Rocks & Min.: 63:196
  • Iowa
    • Muscatine County
      • Muscatine
Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
  • Kentucky
    • Kentucky Agate District
Kentucky Agate, McIntosh and warren, 2013.
Zeitner, June Culp (1968) Appalachian Mineral & Gem Trails. Lapidary Journal, Inc.
    • Madison County
Goldstein, Alan (2006) Kentucky Mineral: Locality Index. Rocks & Minerals, 81 (6) 420-440 doi:10.3200/rmin.81.6.420-440
  • Missouri
    • St. Louis County
Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046
Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046
Conroy, Kevin (2023) Personal Communication.
Conroy, Kevin (2023) Personal Communication.
Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046
 
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