Items

• [D7928ZDX], Letter from Spring Valley Mining and Irrigating Co, Louis Glass to Thomas Alva Edison, June 30th, 1879
  1879-06-30
• [D7928ZEA], Letter from Spring Valley Mining and Irrigating Co, Louis Glass to Thomas Alva Edison, July 2nd, 1879
  1879-07-02
• [D7928ZEC], Letter from Spring Valley Mining and Irrigating Co, Louis Glass to Thomas Alva Edison, July 3rd, 1879
  1879-07-03
• [D7928ZJH1], Letter from Spring Valley Mining and Irrigating Co, Louis Glass to Thomas Alva Edison, July 26th, 1879
  1879-07-26
• [D7928ZQN], Letter from Spring Valley Mining and Irrigating Co, Louis Glass to Thomas Alva Edison, September 23rd, 1879
  1879-09-23
• [D8035B], Letter from Louis Glass, Spring Valley Mining and Irrigating Co to Thomas Alva Edison, January 11th, 1880
  1880-01-11