An accounting book showing entries between October 1865 and July 1867.
Dr. M. Judson is mentioned as one of the persons with whom Avery had an
account.
A brief memo showing an analysis of the concentration of sodium chloride in
salt excavated from Avery Island. The analysis was conducted sometime in
1862 by Eugene W. Hilgard, the Mississippi state geologist.
This pamphlet, published by the American Bureau of Mines, reported on the geological characteristics and commercial potential of the salt deposit at Petit Anse Island. It also gives a brief history of the way salt was manufactured on the island…
John M. Avery, son of Daniel D. Avery, was exempted from military service on
September 10, 1862, because he was "superintendent of the salt mines" in St.
Mary Parish.
Longcope is relieved to hear of Avery's safe arrival at home and discusses
his determination to pursue business, in spite of the losses incurred from
freeing his slaves.
Houston businessman C. S. Longcope, who knew the Averys while they were in
Houston, reports on events in the city since the Averys returned to
Louisiana.
Evans writes from Houston expressing relief that the Averys had arrived back in Louisiana safely. She also discusses the effects of emancipation in Houston since the Averys left, mentioning her frustration and surprise with the ways that former…
In a letter accompanying a specimen of rock salt, Avery touts the quality of the salt being mined on Petit Anse Island and hopes the sample will be included in "the valuable collections of our old alma mater, at Yale."
Dudley informs his father of Lee's surrender and laments the fall of the
Confederacy. He regards Lincoln's assassination as a blow to the South. But
he does see some hopeful prospects in the high demand for salt and he urges
his father to send powder…
Writing from Petit Anse Island, Dudley reports to his father on the arrival of the family's luggage with Texas, along with some powder that was presumably intended to help mine salt. An engineer from an unnamed company has been inspecting the mine…