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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. 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 1: Thief River Falls, Grand Forks, Fargo, Milbank, Watertown, New Ulm and St. Cloud Quadrangles of North Dakota, South Dakota and Minnesota

Description: During the months of August and September, 1979, geoMetrics, Inc. collected 12,415 line miles of high sensitivity airborne radiometric and magnetic data in adjoining portions of South Dakota and Minnesota over seven 1 by 2 degree NTMS quadrangles (Thief River Falls, Grand Forks, Fargo, Milbank, Watertown, New Ulm, and St. Cloud). All radiometric and magnetic data were fully corrected and interpreted and are presented as eight volumes.
Date: October 1979
Creator: EG & G GeoMetrics
Item Type: Refine your search to only Report
Location: None
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