Download or read book Geological Survey Water supply Paper written by and published by . This book was released on 1970 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Water supply Paper written by and published by . This book was released on 1982 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Open file Report written by and published by . This book was released on 1980 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Clastic Rocks Associated with the Midcontinent Rift System in Iowa written by Raymond R. Anderson and published by . This book was released on 1997 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Middle Proterozoic Midcontinent Rift System (MRS) of North America is a failed rift that formed in response to region-wide stresses about 1,100 Ma. In Iowa, the MRS is buried beneath 2,200-3,500 ft of Paleozoic and Mesozoic sedimentary rocks and Quaternary glaciogenic deposits. An extremely large volume of sediments was deposited within basins associated with the rift at several stages during its development. Although the uplift of a rift-axial horst resulted in the erosional removal of most of these clastic rocks from the central region of the MRS in Iowa, thick sequences are preserved in a series of horst-bounding basins. Recent studies incorporating petrographic analysis, geophysical modeling, and other analytical procedures have led to the establishment of a preliminary stratigraphy for these clastic rocks and interpretations of basin geometries. This information has allowed the refinement of existing theories and history of MRS formation in Iowa. Additionally, drill samples previously interpreted as indicating the existence of early Paleozoic basins overlying the Proterozoic MRS basins were re-examined. Samples previously interpreted as deep-lying Paleozoic rocks are now known to have caved from upper levels of the drillhole and were out of stratigraphic position. No deep Paleozoic basins exist in this area. These investigations led to the development of petrographic parameters useful in differentiating the Proterozoic MRS Red clastics from Paleozoic clastic rocks having similar lithologies.

Download or read book Water Levels and Artesian Pressure in Observation Wells in the United States written by and published by . This book was released on 1926 with total page 1174 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1902 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Journal of the Washington Academy of Sciences written by Washington Academy of Sciences (Washington, D.C.) and published by . This book was released on 1911 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sept. issue 1975- contains directory of members.

Download or read book Bulletin of the American Geographical Society written by American Geographical Society of New York and published by . This book was released on 1911 with total page 1178 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A List of the Publications of the United States Geological Survey Not Including Topographical Maps written by Geological Survey (U.S.) and published by . This book was released on 1879 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Circular written by and published by . This book was released on with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bulletin of the United States Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1912 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Gaging Stations Maintained by the United States Geological Survey 1888 1910 and Survey Publications Relating to Water Resources written by and published by . This book was released on 1912 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Quarterly Bulletin written by Brockton Public Library (Brockton, Mass.) and published by . This book was released on 1921 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Bulletin written by and published by . This book was released on 1949 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hydrogeology and Simulation of Ground water Flow in the Rochester Area Southeastern Minnesota 1987 88 written by G. N. Delin and published by . This book was released on 1991 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Contributions to the Hydrology of the United States 1962 written by and published by . This book was released on 1964 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography and Index to Publications Relating to Ground Water Prepared by the Geological Survey and Cooperating Agencies written by Geological Survey (U.S.) and published by . This book was released on 1947 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: