The Sons and Daughters of Pioneer Rivermen, or S&D, is an historical organization operating out of Marietta, OH. According to its website, it "was established in 1939 to perpetuate the memory of pioneer rivermen and for the preservation of river history." Its current president is Jeff Spear.

S&D established the Ohio River Museum

Ohio River Museum

The Ohio River Museum is a museum that interprets the history of the Ohio River. The museum is situated on the Muskingum River, near its confluence with the Ohio River, in Marietta, Ohio....

 in Marietta in 1941. Working under the auspices of the Ohio Historical Society, S&D oversaw the addition of the steam towboat W. P. Snyder to the museum in 1955, as well as construction of a new museum facility in 1972. In cooperation with the Public Library of Cincinnati and Hamilton County

Public Library of Cincinnati and Hamilton County

The Public Library of Cincinnati and Hamilton County is among the largest and busiest public library systems in the world. In addition to its Main Library location in downtown Cincinnati, Ohio, PLCH operates 41 regional and branch locations throughout Hamilton County., the PLCH's collection holds...

, S&D also established the Inland Rivers Library, a part of the PLCHC's Rare Books and Special Collections department.

S&D publishes a quarterly house organ

House organ

A house organ is a magazine or periodical published by a company for its customers or its employees...

 magazine entitled the S&D Reflector, first created and edited by Capt. Frederick Way, Jr.