Hydrographic sheet, deep sea, 1878-1879
Hydrographic sheet, deep sea, 1878-1879
The hydrographic sheet documents collecting of sea bottom specimens from deep sea, December 8, 1878 to May 12, 1879. J. R. Bartlett, U.S.N., was commanding the party. The table of data includes date, section number, locality including latitude and longitude with minutes and seconds, fathoms, and appearance. There are numerous notes on the document that appear to have been written later
