Items

Items

• 

  [E1717BT], Letter from U.S. Geological Survey, Carl Eugene Lesher to William Henry Meadowcroft, May 17th, 1917

  1917-05-17
• 

  [E1947AE], Letter from Walter Seeley Mallory to Waldemar Theodore Schaller, U.S. Geological Survey, January 23rd, 1919

  1919-01-23
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  [E1947AK], Letter from Newman Henry Holland to William Henry Meadowcroft, February 21st, 1919

  1919-02-21
• 

  [E1947AN], Letter from Newman Henry Holland to William Henry Meadowcroft, March 3rd, 1919

  1919-03-03
• 

  [E1947AQ], Letter from Walter Seeley Mallory to Thomas Alva Edison, March 24th, 1919

  1919-03-24