These are the references the publisher has listed as being connected to the article. Please check the article itself for the full list of references which may differ. Not all references are currently linkable within the Digital Library.
| V. Allen (1932) American Mineralogist Galena replacing Pennsylvanian rootlet 17, 156 |
| H. Bain (1905) |
| E. Bastin (1931) |
| J. Baxter (1973) A geologic excursion to fluorspar mines in Hardin and Pope counties, Illinois |
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| O. Bishop (1948) Core drilling at the Victory fluorspar mine, Hardin County, Illinois |
| K. Born (1934) American Mineralogist Fibrous pyrite from the lead zinc district of Illinois 19, 384 |
| J. Bradbury (1959a) |
| J. Bradbury (1959b) |
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| J. Carlon (1975) Mineralogical Record New find in southern Illinois 6, 235 |
| J. Cobb (1981) |
| G. Cox (1914) |
| S. Chamberlain (1987) Rocks & Minerals Pyrite overgrowths of marcasite from Sparta, Randolph County, Illinois 62, 115 |
| S. Chamberlain (1989) |
| A. Crook (1929) American Mineralogist An Illinois record copper erratic 14, 119 |
| S. Espenshade (1985) Mineral News Annabelle [sic] Lee mine, Hardin County, Illinois 1, 5 |
| S. Espenshade (1987) Mineral News Cave-in-Rock district, Illinois 3, 4 |
| F. Fleener (1951) Rocks & Minerals World news of mineral occurrences: Illinois 26, 610 |
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| W. Frankie (2005) |
| W. Frankie (1995) |
| W. Frankie (1996) |
| W. Frankie (2000) |
| W. Frankie (1996) |
| W. Frankie (2007) |
| W. Frankie (2002) |
| W. Frankie (1998) |
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| P. Garvin (2005) Mineralogical Record The minerals of west-central Illinois 36, 421 |
| A. Goldstein (1993) Mineral News Some interesting crystal phantoms from Illinois, Indiana, and Kentucky 9, 1 |
| A. Goldstein (1995) Mineral News Observations of fluorite and associated minerals at the Austin Lead mine, Hastie quarry, Cave-in-Rock, Illinois 11, 1 |
| A. Goldstein (1997) Mineralogical Record The Illinois-Kentucky fluorite district 23, 3 |
| R. Grim (1937) American Mineralogist The mica in argillaceous sediment 37, 813 |
| R. Grogan (1946) American Mineralogist An occurrence of pyromorphite in Illinois 31, 320 |
| R. Grogan (1968) Ore deposits in the United States, 1933β1967 Fluorite-zinc-lead deposits of the Illinois-Kentucky mining district , 370 |
| D. Hass (2005) Mineral News Barrel calcites from Lohr quarry 21, 1 |
| A. HeylJr. (1968) Ore deposits in the United States, 1933β1967 The Upper Mississippi Valley base-metal district , 431 |
| A. HeylJr. (1959) |
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| J. Kirchner (1985) Journal of Sedimentary Petrology Detrital and authogenic pyrite in an Illinoian lacustrian silt, central Illinois 55, 869 |
| J. Kirchner (1989) Transactions Illinois Academy Science Origin of pyrite nodules in the St. Peter Sandstone nodules, Buffalo State Park, Illinois 82, 47 |
| R. Knappen (1926) |
| L. Langhors (1955) Mineralogist A day at Valmeyer, Illinois 23, 200 |
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| S. McClure (1946) Mineralogist Mineral collecting in Illinois 14, 122 |
| S. McClure (1951) Mineralogist Mineral collecting in Illinois 19, 425 |
| S. McClure (1955) Mineralogist Mineral collecting in Illinois: The Alton-Chester belt 23, 354 |
| R. Nelson (1997) |
| E. Odom (1963) |
| J. Payne (1939) Illinois Academy Science Discovery of sphalerite and galena near Millbrook, Kendall County 31, 182 |
| J. Ransom (1974) Gems and minerals of America: A guide to rock collecting |
| D. Reinertsen (1994) |
| D. Reinertsen (1991) |
| R. Richards (1995) Mineralogical Record Pyrite and marcasite intergrowths from northern Illinois 26, 129 |
| R. Riecker (1952) Rocks & Minerals World news on mineral occurrences: Illinois 27, 596 |
| G. Robinson (1993) Mineralogical Record What's new in minerals? Denver Show 1992, Illinois: Letter from Ross Lillie 24, 47 |
| M. Scheffel (1968) Earth Science Rock and mineral collecting sites in north central Illinois 21, 172 |
| R. Schrode (1952) |
| S. Sinotte (1972) Geode country: Iowa, Illinois, Missouri |
| T. Turley (1960) Earth Science The minerals of the Chicago area 13, 221 |
| K. Vaughn (1955) Rocks & Minerals World news of mineral occurrences: Illinois 30, 257 |
| K. Vaughn (1956) Rocks & Minerals World news of mineral occurrences: Illinois 31, 16 |
| J. Washburn (2003a) Field trip guide: Florence quarry, Pike County |
| J. Washburn (2003b) Field trip guide: Lohr quarry, Madison County |
| J. Weller (1952) |
| J. White (1970) Mineralogical Record What's new in minerals: Polydymite 1, 151 |
| J. White (1971) Mineralogical Record What's new in minerals: Polydymite 2, 53 |
| H. Willman (1942) Illinois State Geological Survey bulletin 66 Geology and mineral resources of Marseilles, Ottawa, and Streator quadrangles |
| G. Wilson (1960) |
| J. Zeitner (1988) Midwest gem, fossil, and mineral trails |
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