Codes for the identification of hydrologic units in the United States and the Caribbean outlying areas.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Free on Application to the Books and Open-File Reports Section, 1988.
Edition:	Rev. 1988.
Series:	U.S. Geological Survey circular ; 878-B.
Subjects:	Geographical location codes. Geographical positions > United States. Geographical positions > Caribbean Area.

Evans: US Documents (Annex 5th floor)