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Saturday, May 16, 2020 | History

2 edition of Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota found in the catalog.

Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota

D. G Woodward

Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota

by D. G Woodward

  • 333 Want to read
  • 15 Currently reading

Published by U.S. Dept. of the Interior, Geological Survey, Open-File Services Section, Western Distribution Branch in St. Paul, Minn, Denver, Colo .
Written in English

    Subjects:
  • Seismic refraction method,
  • Groundwater -- Pollution -- Minnesota -- Ramsey County,
  • Valleys -- Minnesota -- Ramsey County

  • Edition Notes

    Statementby D.G. Woodward ; prepared in cooperation with the U.S. Environmental Protection Agency
    SeriesWater-resources investigations report -- 85-4107
    ContributionsUnited States. Environmental Protection Agency, Geological Survey (U.S.)
    The Physical Object
    Paginationiv, 20 p. :
    Number of Pages20
    ID Numbers
    Open LibraryOL13609224M

    of results for "Ramsey County Library". Skip to main search results. Seismic refraction evidence for steep faults cutting highly attenuated continental basement in the central Transverse ranges, California. Geophysical Journal International, (2), doi: /jXx.

    Report Regional Survey of Buried Glacial Drift, Saprolite and Precambrian Bedrock in Lake of the Woods County, Minnesota. ( pages, x 11 inches, MB) Authors: D.P. Martin 1, D.A. Dahl 1, D.F. Cartwright 1, G.N. Meyer 2 1 MN DNR 2 Minnesota Geological Survey. Find the cheap Seismic Refraction, Find the best Seismic Refraction deals, Sourcing the right Seismic Refraction supplier can be time-consuming and difficult. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it’s approved, suppliers on our site can quote.

    The area of study within Barry County are the Dowling and Maple Grove minute quadrangles (Figure 1). Most accessible Many of these areas are surficial tunnel valleys below which bedrock incision might occur. for the area of study. Seismic refraction was used to Author: Scott A. Feldpausch. Project , "Bedrock and Glacial Drift Mapping for VMS and Lode Gold Alteration in the Vermillion - Big Fork Greenstone Belt" initially set out to define possible source areas for the mineralized clasts areas (MCA's) defined by Lawler and Riihilouma () by means of evaluating bedrock and glacial drift samples in northeastern Minnesota.


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Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota by D. G Woodward Download PDF EPUB FB2

The item Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota, by D.G. Woodward ; prepared in cooperation with the U.S. Environmental Protection Agency represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Indiana State Library.

Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota Paperback – January 1, by D. Woodward (Author)Author: D. Woodward.

Seismic-refraction surveys were made across suspected buried, drift-filled bedrock valleys believed to underlie two sites of known ground-water contamination the Twin Cities Army Ammunition Plant (TCAAP) near New Brighton and the former Koppers Coke Plant in St.

Paul, Ramsey County, Minnesota. Seismic-refraction surveys were made across suspected buried, drift-filled bedrock valleys believed to underlie two sites of known ground-water contam­ ination the Twin Cities Army Ammunition Plant (TCAAP) near New Brighton and the former Koppers Coke Plant in St.

Paul, Ramsey County, : D.G. Woodward. Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota / by D.G. Woodward ; prepared in cooperation with the U.S. Environmental Protection Agency.

Seismic refraction method. See also what's at your library, or Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota / (St.

Paul, Minn.: U.S. Geological An integrated geophysical and geological study of the tectonic framework of the 38th parallel lineament in the vicinity of its intersection. Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota / by D.G. Woodward ; prepared in cooperation with the U.S.

Environmental Protection : D. Woodward. One test pit encountered bedrock approximately 5½ feet bgs, and refusal at 5¾ feet bgs.

Meier indicates the bedrock depth is well within the planned grading elevations. Meier requests this seismic refraction study to evaluate importing material to raise site grades versus potential rock excavation/grading.

Seismic-refraction surveys were done in and around Little Valley to estimate depth to bedrock. Three layers were assumed to be present in the valley: unsaturated unconsolidated material, saturated unconsolidated material, and weathered : L.F. Duell.

Seismic refraction survey and DC resistivity measurements were made across the margin of the Lake Ngami. The structure and stratigraphy at the lake were determined.

High resolution aeromagnetic data showed a prominent anomaly coinciding with the Kunyere Fault. Estimated depths to magnetic sources are increasing towards the lake. Two velocity layers were by: 5. Woodward, D.G.,Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota: U.S.

Geological Survey Water-Resources Investigations Report20 p. Woodward, D.G.,Trends in municipal-well installations and aquifer utilization in southeastern Minnesota, U.S.

Geological Survey Water. A _____ is a lengthy deposit of glaciofluvial alluvial confined to a valley bottom and found beyond the outwash plain. Washington After Alaska, ________ is the state with the greatest number of glaciers and greatest amount of surface area covered by glaciers.

Buy Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota (Water-resources investigations report) by Woodward, D. G (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : D. G Woodward. The seismic refraction method is adopted to assess the geomaterials rippability at the proposed new spillway dam. The equipments were ABEM Terraloc MK8 consist of 5 kg of sledge hammer, 28 Hz of.

Get this from a library. Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota.

[D G Woodward; United States. Environmental Protection Agency.; Geological Survey. ANALYSIS OF A RECONNAISSANCE GRAVITY SURVEY References 1) D. Hall and Z. Hajnal, The gravimeter in studies of buried valleys.

Geophysics 27 () 2) L. McGinnis, J. Kempton and P. Heigold, Relationship of gravity anomalies to a drift-filled bedrock valley system in northern Illinois. Illinois Geol. Survey Circ. () 23 by: 4.

This study analyses a regionally characteristic landslide, DROM 9, to establish the potential for the use of seismic refraction to determine the change of substrate below the ground surface. In Rheinhessen, landslides commonly occur as shallow translational features in depressions that were probably created as Pleistocene by: Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota | Woodward, D.

| ISBN: | Kostenloser Versand für alle Bücher mit Versand und Verkauf duch : Taschenbuch. Our Rayfract® refraction tomography software allows reliable imaging of subsurface velocity structure including faults, strong lateral velocity variation and other velocity Smooth inversion tomographic method is based on physically realistic modeling of first break propagation for P-wave and S-wave surveys.

We forward model refraction, transmission and diffraction (Lecomte, Reconnaissance Soil Survey of the Red River Valley Area, Minnesota () Author: USDA Subject: Soil Keywords: Reconnaissance Soil Survey Red River Valley Minnesota Created Date:. For mapping a bedrock valley, however, refraction data have been shown as not only comparable but in many instances superior to reflection for obtaining a good representation of bedrock topography.Start studying landforms.

Learn vocabulary, terms, and more with flashcards, games, and other study tools.As part of a continuing program to define the thickness and extent of water-bearing sand and gravel deposits in southwestern Ohio, the U.S.

Geological Survey, in cooperation with the Ohio Division of Water and The Miami Conservancy District, completed a seismic refraction survey of the Great Miami River valley and adjacent areas between Dayton and Hamilton, Ohio, in the fall of