Lang, Harold, 1905-1983, photographer. still image Nitrate negatives 1940-1950. gmgpc [1941 or 1942] eng Photograph shows work site for construction of the Pentagon, with building supplies, trucks, cars, cranes, and Washington-Hoover Airport terminal in the distance. Title devised by Library staff. Pentagon (Va.)--Buildings--1940-1950. Building construction--Virginia--Arlington County--1940-1950. Construction workers--Virginia--Arlington County--1940-1950. Trucks--Virginia--Arlington County--1940-1950. Automobiles--Virginia--Arlington County--1940-1950. Hoisting machinery--Virginia--Arlington County--1940-1950. https://hdl.loc.gov/loc.pnp/ppmsca.73079 Due to safety regulations, nitrate negatives can't be served to the public. No known restrictions on publication.