University of Illinois Urbana-Champaign

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Showing 511–540 of 2,273 items
Thumbnail for Availability of the Herrin coal for mining in Illinois
Availability of the Herrin coal for mining in Illinois
Treworgy, Colin G.; Korose, Christopher P.; Wiscombe, Christine L.

Thumbnail for Average crop, pasture, and forestry productivity ratings for Illinois soils
Average crop, pasture, and forestry productivity ratings for Illinois soils
Olson, K.R.; Lang, J.M.; Garcia-Paredes, J.D.; Majchrzak, R.N.; Hadley, C.I.; Woolery, M.E.; Rejesus, R.M.

Thumbnail for Mississippian stratotypes
Mississippian stratotypes
Collinson, Charles; Baxter, James W.; Norby, R.D.; Lane, H.R.; Brenckle, Paul D.