Six (6) Late 19th century river maps featuring the Mississippi or Tennessee River. 1st item: Foldout map titled, 'IMPROVING MISSISSIPPI RIVER, 1st & 2nd districts showing existing levees and work done on them during the season of 1899-1900". The city of Memphis is featured along the upper left margin. This was an Army Engineering map/diagram, originally part of a bound book of maps and documents published by The U.S. Government Printing Office. 10 1/4" H x 32 1/4" W; 2nd item: Mississippi River Commission map titled "Map of the Mississippi River in the vicinity of Memphis Tenn. showing changes of bank line and depths from 1867 - 1898". 18 1/4" H x 24" W. 3rd & 4th items - 2 US Corps of Engineering maps of the 1st and 2nd districts MISSISSIPPI RIVER showing the condition of the levees, made by direction of Captain E. E. Winslow, Corps of Eng'r USA by Chas. Levasseur, U.S. Asst. Engr., June 30th, 1899. One is printed in black and white and the other is printed with color. 23 1/2" H x 13 1/2" W. 5th item- Map of First and second Eng'r district of THE MISSISSIPPI RIVER showing the location of the levees and the area overflowed in April 1899. Published by the U.S. Corps of Engineers. 23" H x 14" W. 6th item - Mountain section of TENNESSEE RIVER prepared from original surveys in the U.S. Engineer Office, Chattanooga, Tenn. Dated February, 1898. 15 1/4" H x 25" W. All maps originally part of a bound book of maps. 1 - Fold lines and some toning at fold lines. 2 - Some slightly visible fold lines, overall good condition. 3 & 4 - Fold lines with toning at fold lines, some chipping and tears to edges to the black and white map. Colored map with bending to lower left corner. 5- Fold lines and some toning at fold lines. 6 - Losses to left margin, fold lines with slight toning, bending lower right corner.