Codes for the identification of hydrologic units in the United States and the Caribbean outlying areas
Contributors: Geological Survey (U.S.)
Series: Geological Survey circular -- 878-A
Publisher: U.S. Dept. of the Interior, Geological Survey; Distribution Branch, Text Products Section, U.S. Geological Survey
Published: 1982
Place of publication: Reston, VA; Alexandria, VA
Language: eng
Number of pages: 115
Subjects: Hydrology -- United States
Notes: "A U.S. Geological Survey data standard."