Abbreviated record for specimen 15749

	Basic Information Determination: Calamites cisti Brongniart Previously: none  Type Status:   Figured In: Langford, 1958, p. 31, fig. 22  Locality: Will County, Illinois Geologic Unit: Francis Creek Shale   Additional Information Images: medium (150 dpi, 136.6KB) large (600 dpi, image not available) Catalog Data: show full record