Marland Pratt Billings (March 11, 1902 – October 9, 1996) was an American structural geologist who was considered[by whom?]
[citation needed] Billings was Professor of Geology at Harvard University for almost his entire career, having joined the faculty in 1930 and retired to emeritus status in 1972.
In the 1950s, Billings studied the geology exposed by some of the bedrock tunnels being constructed in the Boston area by the Metropolitan District Commission for water supply and drainage disposal.
He also investigated the geology of many parts of the world, including Iceland, Japan, and Australia.
Marland Billings died Wednesday, October 9, 1996, in Peterborough, New Hampshire.