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[E1947AB], Letter from Thomas Alva Edison to U.S. Geological Survey, George Otis Smith, January 20th, 1919

Title: [E1947AB], Letter from Thomas Alva Edison to U.S. Geological Survey, George Otis Smith, January 20th, 1919
Author: Edison, Thomas Alva
Recipient: U.S. Geological Survey; Smith, George Otis
Date: 1919-01-20
Type: Letter
Subject: Metals and minerals; Construction; Ore exploration and mining
Folder ID: E1947-F
Microfilm ID: 272:644
Document ID: E1947AB
URL: https://edisondigital.rutgers.edu/document/E1947AB
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 272