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Adjusting Corn Belt Farming to Meet Corn-Borer Conditions

Description: "The European corn borer is recognized as a dangerous enemy of the corn crop.... Its eradication is considered economically impossible but it is believed that the injury may be kept at a point so low that little commercial damage will occur during normal seasons. This can be done by using control measures and practices that have proved to be effective.... On some farms some changes in the crops grown and in their sequence will aid materially in controlling the borer and may prove profitable eve… more
Date: 1932
Creator: Myres, Kenneth Hayes, 1898-
Item Type: Refine your search to only Pamphlet
open access

Aerial Gamma Ray and Magnetic Survey, Final Report: Manitowoc and Traverse City Quadrangles, Wisconsin/Michigan

Description: Final report analyzing aerial gamma ray and magnetic data in the Manitowoc and Traverse City quadrangles, including a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.
Date: July 1981
Creator: EG & G GeoMetrics
Item Type: Refine your search to only Report
Location: None
open access

Aerial Gamma Ray and Magnetic Survey, Final Report: Racine and Grand Rapids Quadrangles, Michigan/Wisconsin/Illinois

Description: Final report analyzing aerial gamma ray and magnetic data in the Racine and Grand Rapids quadrangles, including a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.
Date: July 1981
Creator: EG & G GeoMetrics
Item Type: Refine your search to only Report
Location: None
open access

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 1: Alpena, Blind River, Cheboygan, Escanaba, and Sault Sainte Marie Quadrangles (Michigan and Wisconsin)

Description: The following report is the first volume documenting the radiometric and magnetic data taken during the month of September, 1979, by EG&G geoMetrics in the states of Michigan and Wisconsin in the quadrangles: Alpena, Blind River, Cheboygan, Escanaba, and Sault Marie quadrangles.
Date: February 1980
Creator: EG & G GeoMetrics
Item Type: Refine your search to only Report
Location: None
open access

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 1: Peninsula Portion, Hancock Quadrangle (Michigan), Ashland Quadrangle (Wisconsin, Minnesota, and Michigan), Iron River Quadrangle (Michigan and Wisconsin), and Marquette Quadrangle (Michigan)

Description: First volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of four quadrangles in Wisconsin, Minnesota, and Michigan including documentation about data collection and analysis.
Date: May 1979
Creator: GeoMetrics, Inc.
Item Type: Refine your search to only Report
Location: None
open access

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 1: Rice Lake Quadrangle (Wisconsin), Iron Mountain Quadrangle (Wisconsin/Michigan), Eau Claire Quadrangle (Wisconsin/Minnesota), and Green Bay Quadrangle (Wisconsin)

Description: A high sensitivity airborne radiometric and magnetic survey of the Rice Like, Iron Mountain, Eau Claire and Green Bay 1:250,000 NMTS Quadrangles within the states of Wisconsin, Michigan, and Minnesota. A total of 10,340 line miles of high sensitivity radiometric and magnetic data were collected within these quadrangles. Traverse lines were flown at a spacing of 3.125 miles in an east/west direction at a 18.375 miles seperation. All data were collected utilizing a fixed wing aircraft and over 3,… more
Date: April 1987
Creator: GeoMetrics, Inc.
Item Type: Refine your search to only Report
Location: None
open access

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Escanaba Quadrangle (Michigan and Wisconsin)

Description: This report is one part of the second volume containing data on quadrangles of Michigan and Wisconson. This volume contains the detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation map, flight line and geologic base map, individual corrected profiles, computer map unit histograms and statistical tables for the Escanaba quadrangle.
Date: February 1980
Creator: EG & G GeoMetrics
Item Type: Refine your search to only Report
Location: None
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