1870's ~~The Shell Road

 A  postcard illustrating the shell road and canal (New Basin Canal)  described in Mark Twain's "Life on the Mississipi" (1874). Reads "Shell  Road Toll Gate, New Orleans, La." -Era: Divided Back - Circa 1906 -Publ:  "Phostint" By Detroit Publishing Company, #10285 At top, In Pencil  -Notes: Toll House At Left - Unpaved Road - Canal At Right, With Small  Steamer And Other Boats, Barges - Copyright 1906 By The Detroit  Publishing Company -Blue Title.
A  postcard illustrating the shell road and canal (New Basin Canal)  described in Mark Twain's "Life on the Mississipi" (1874). Reads "Shell  Road Toll Gate, New Orleans, La." -Era: Divided Back - Circa 1906 -Publ:  "Phostint" By Detroit Publishing Company, #10285 At top, In Pencil  -Notes: Toll House At Left - Unpaved Road - Canal At Right, With Small  Steamer And Other Boats, Barges - Copyright 1906 By The Detroit  Publishing Company -Blue Title.
Source: http://www.thepostcard.com