THIS DATASET CONTAINS NAMES OF THE LATITUDE/LONGITUDE POLYGONS
THAT CAN BE USED WITH THE "INCLUDE" RETRIEVAL KEYWORD.  THE "LT"
KEYWORD MUST BE USED IN CON- JUNCTION WITH IT, E.G.,
LT=I,INCLUDE=(WILLAMET),.  THE NAMES MUST BE ENTERED EXACTLY AS
THEY ARE SPELLED IN THE LIST, AND THEY MUST BE ENCLOSED IN
PARENTHESES.

    NAME                   DESCRIPTION
   ALABAMA           ALABAMA RIVER MAIN STEM
   ARKANSAS          ARKANSAS RIVER MAIN STEM
   BRAZOS            BRAZOS RIVER MAIN STEM
   COLORADO          COLORADO RIVER MAIN STEM
   COLUMBIA          COLUMBIA RIVER MAIN STEM
   DELAWARE          DELAWARE RIVER MAIN STEM
   HUDSON            HUDSON RIVER MAIN STEM
   MISS              MISSISSIPPI RIVER MAIN STEM
   MISSOURI          MISSOURI RIVER MAIN STEM
   OHIO              OHIO RIVER MAIN STEM
   POTOMAC           POTOMAC RIVER MAIN STEM
   RED               RED RIVER MAIN STEM
   RIOGRAND          RIO GRANDE RIVER MAIN STEM
   SACRAMEN          SACRAMENTO RIVER MAIN STEM
   SNAKE             SNAKE RIVER MAIN STEM
   SUSQHANA          SUSQUAHANA RIVER MAIN STEM
   TENN              TENNESSEE RIVER MAIN STEM
   WILLAMET          WILLAMETTE RIVER MAIN STEM
   YUKON             YUKON RIVER MAIN STEM

U.S.G.S CATALOGING UNITS MAY ALSO BE USED WITH THE "INCLUDE" KEYWORD.
TO USE A CATALOGING UNIT, "INCLUDE" IS SET EQUAL TO THE CATALOGING
CODE WHICH FOLLOWS THE "POLY" KEYWORD.  THE CATALOGING CODE MUST BE
ENCLOSED IN PARENTHESES, E.G., POLY=MAPCHECK,INCLUDE=(12030104),.
