Commissioned officers of ESSA.
Subtitle: Hearings, Ninetieth Congress, second session on H.R. 17993 ... July 8, August 1, September 18, 1968.
Publisher: U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 102
Subjects: United States. Environmental Science Services Administration.
Notes: "Serial no. 90-31."