Annual Report for ... with Accompanying PapersPublished for the Iowa Geological Survey, 1893 - Geology |
Contents
PAGE | |
NEW ECHINODERMS FROM THE MAQUOKETA BEDS OF FAYETTE COUNTY IOWA | xi |
Geology of oil and gas | 5 |
18 other sections not shown
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Common terms and phrases
Adair county anal argillaceous basal base beds bluff line bowlders calcareous calyx Cedar County Cedar river Cedar Valley Chonetes clay coal Columbus Junction column Composita subtilita crinoid crinoid stems Deer Creek deposits Devonian dolomite east exposures feet above sea FEET INCHES formation fossiliferous fossils Fusulina Geology gravels gray gumbotil high terrace Illinoian intermediate terrace Iowa Acad Iowa City Iowa Geol IOWA GEOLOGICAL SURVEY Iowa river Iowan Drift Johnson county Kansan lake basin Lake Calvin basin limestone Louisa county low terrace lower Maquoketa Megistocrinus Middle river Mississippi river Missouri series Moines Muscatine county Nebraska northeast northwest outcrops Pennsylvanian plates Pleistocene posterior quarry quarter of section radials region river valley rocks sand sandstone sea level Shale side southeast quarter southwest Southwestern Iowa species specimen spines stage strata stream surface sutures thickness tion township Udden upland upper Wapsipinicon West Liberty width Wilton Valley Winterset