Check out this site, it looks like the owners established a factory city which would most likely have included a cemetery. I did a search but didn't come up with a mention. Found through a Goggle search: dog river factory alabama

Camp Dog River Factory

The committee [Factory owners] chose a site on Bayou Duran, or Dog River, about 4 miles south of the city, and nine miles from the entrance to Mobile Bay

The cotton mill movement in antebellum Alabama By Randall M. Miller

http://books.google.com/books?id=zU98siUTwcQC&pg=PA75&lpg=PA75&dq=dog+river+factory+alabama&source=bl&ots=COzagAYXdK&sig=Dxl_4qL9I4xWPBaUXsz59PjWpaw&hl=en&ei=XTj-TeXyNcvWiAKZ8MydDw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBkQ6AEwAA#v=onepage&q=dog%20river%20factory%20alabama&f=false