[LM241936], Letter from Walter Seeley Mallory to New Jersey. Geological Survey, Henry Barnard Kummel, January 15th, 1901
https://edisondigital.rutgers.edu/document/LM241936
Transcription
January 15th, 1901 Mr. Henry B. Kummel, Asst. State Geologist, Trenton, N.J. Dear Sir:- Replying to yours of the 7th inst, to Mr. Edison, we beg to state that during 1900 this Company mined and separated 75,206 tons of crude material. Of the above, about 10,000 tons were shipped in the form of briquettes ; 20,000 in the form of sand, and the balance, consisting concentrates and sand, is on hand at present. Yours very truly, W.S. Mallory