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Describes the composition of alunite-bearing rocks of the region, and discusses the 
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Geology and gold deposits of the Cripple Creek district, Colorado. — See Lind- 
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Rathbun, J. C. 
1986. Marble in the Northwest.— Min. World, vol. 24, no. 14. p. 441, April 7, 
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Describes the occurrence of marble in Washington and in Alaska. 
Raymond, Percy E. 
1987. The Chazy formation and its fauna. — Carnegie Mus., Annals, vol. 3, 
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Describes the stratigraphy and subdivisions of the Chazy, giving numerous measured 
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1988. An Ordovician gastropod retaining color markings. — Nautilus, vol. 19, 
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1989. On the occurrence, in the Rocky Mountains, of an upper Devonic 
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Describes the character of the Devonian beds near Three Forks, Montana, giving lists 
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1990. On the discovery of reptilian remains in the Pennsylvanian near Pitts- 
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A new American Cybele. — See Narraway and Raymond, no. 1783. 
Raymond, Rossiter W. 
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Read, Thomas T. 
1992. The secondary enrichment of copper-iron sulphides. — Am. Inst. Min. 
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Reagan, Albert R. 
1998. Geology of Monroe County, Indiana, north of the latitude of Bloom- 
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Describes the stratigraphy, comprising Mississippian formations and glacial deposits, 
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