1850 map of Louisiana, "Representing the several land districts" Prepared to accompany the surveyor general's report. W.R. Boyd,, Donaldsonville, La. November 4, 1850. 45 cm x 40 cm
Comparison of Cross-Section Elements: Scot Bluffs to Donaldsonville Shore lines and sections of Mississippi River K. Elvaternman, Captain Corps of Engineers. 9 in x 26 in