Browsing by Subject "Orange County"

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  • Horowitz, Alan S. (Indiana Geological Survey, 1965)
    Twenty-three species and eight nomina aperta of crinoids from the Glen Dean Limestone (middle Chester) are assigned to the genera Agassizocrinus Owen & Shumard, Aphelecrinus Kirk, Eupachycrinus Meek & Worthen, Hypselocrinus ...
  • Gray, Henry H.; Jenkins, Robert D.; Weidman, Robert M. (Indiana Geological Survey, 1960)
    The Huron area is approximately 85 mi. SSW. of Indianapolis and includes approximately 117 sq. mi. of area in the physiographic province known as the Crawford upland. Nearly flat-lying sedimentary rocks of late Mississippian ...
  • Gray, Henry H.; Dawson, Thomas A.; McGregor, Duncan, Jr.; Perry, Thomas G.; Wayne, William J (Indiana Geological Survey, 1957-10)
    The purpose of this field conference is to acquaint participants with strata that are associated with the Mississippian-Pennsylvanian boundary in southwestern Indiana. Criteria which aid in distinguishing between Mansfield ...

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