Ephemera, 1996-2007, compiled by Roland Bruce Burgan on the history of radio and television broadcasting in Michigan's Copper Country. Includes newspaper clippings as well as other printed ephemera.

Research papers, 1915-1922, compiled in 1993 by Lawrence T. Fadner documenting the Navy Radio Station NUG in Calumet, Michigan, formerly owned and operated by the Marconi Wireless Telegraph Company of America with the call sign WCM. The radio station was taken over by the U. S. Navy in April, 1917 and was located on the Tamarack Junior location, owned by the Osceola Mining Company.

Collection, 1934-2014, of Roland Bruce Burgan, a resident of Hancock, Michigan with interests in photography and local history.

Record books, 1918-1941, of the United States Navy. Two volumes are logs for the Navy Radio Station NUG in Calumet, Michigan. Formerly operated by the Marconi Wireless Telegraph Company, the station was located at Tamarack Junior location, owned by the Osceola Mining Company. Second volume is a drill attendance book for the Navy Reserve fleet based in Hancock, Michigan.

Records, 1898-2010, bulk 1924-1979, of the WHDF Radio Station operating in the Copper Country of Michigan's Upper Peninsula. Includes correspondence, reports, financial records, stock certificates, licenses, newspaper clippings, history of the station and other related ephemera. Also includes oversize maps and geological surveys of the surrounding area.