http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Low-flow characteristics at selected sites on streams in eastern Puerto Rico
Puerto Rico Aqueduct and Sewer Authority
1 online resource (ix, 46 pages) : illustrations, maps.
by Luis Santiago-Rivera ; prepared in cooperation with the Puerto Rico Aqueduct and Sewer Authority and the Puerto Rico Environmental Quality Board.
Includes bibliographical references (page 13).
Water-resources investigations report ; 92-4063