Letter to Taylor from Leverett, September 13, 1910

Item — Box: 2, Folder: 3

Staff Only

Scope and Contents

From the Series:

The correspondence series includes approximately 1100 letters written between 1892-1939. The majority of the collection are letters between Frank Leverett and Frank Bursley Taylor; they discuss their field work, Monograph 53, other publications and various related problems. There is also other correspondence with other geologists, including T.C. Chamberlin, Grove K. Gilbert, J.W. Goldthwait, H.L. Fairchild, et alia. There is extensive correspondence with the U.S. Geological Survey, the Geological Survey of Canada, and the Michigan Geological Survey. The primary subject of this series is the surficial glacial geology of the midwestern U.S. and Canada. Leverett & Taylor's work was essential for understanding how the Great Lakes were formed as the Pleistocene glaciers advanced and retreated from the midwestern states. The letters describe the 30 year process of gathering data, mapping the data and constructing the picture of glacial processes during the last Ice Age.

Dates

Creation: September 13, 1910

Conditions Governing Access

The collection is open for research.

Conditions Governing Access

The material is stored offsite in Remote Storage. Please contact Special Collections 3 working days in advance if you wish to use it.

Extent

From the Collection: 1 Linear Feet

Language of Materials

English

Additional Description

General

The red drift moraine running S of Milwaukee is a genuine red till with ridges, not submerged as Chamberlin thought. The outer moraine of red drift in the Green Bay basin is also strong, making the lake history there more complex than in Upham's account of Lake Jean Nicolet. Alden thinks there was a lake covering the Honecan(?) Marsh that drained first to Rock River and then into the Fox River past Oshkosh. We found a possible delta at 55-60' above Lake Michigan, but wew can't tell if this was the Glenwood or Calumet. We found a later moraine that runs into the Lake at Two Rivers that may be the correlative of the Manistee. The outer moraine of red drift seems to be the correlative of the Whitehall-Muskegon ridge and due to a readvance. We can now make a definite statement as to correlatives in our Monograph.