Official standard names approved by the United States Board on Geographic Names;
supplement.
APA Citation
United States. Geographic Names Division. (1971). Official standard names approved by the United States Board on Geographic Names: supplement. Washington.
MLA Citation
United States. Geographic Names Division. Official Standard Names Approved by the United States Board On Geographic Names: Supplement. Washington, 1971.
Warning: These citations may not always be complete (especially for serials).