Not at all -- After looking it up, it seems I had spelled the name incorrectly.

Col. James P. Major's Brigade was involved in an attack on La Fourche Crossing on June 21, 1863. This is south of Donaldsonville, La., on the opposite side of the Mississippi River.

Here's a link to the Official Atlas of the Civil War which should help locate particular places. Note the link to go directly to the plates --

http://alabamamaps.ua.edu/historicalmaps/civilwar/atlas.html