U. S.G.S.	Alabama	Alaska	Arizona	Arkansas
California	Colorado	Delaware	Florida	Georgia
Hawaii	Idaho	Illinois	Indiana	Iowa
Kansas	Kentucky	Louisiana	Maine	Maryland
Massachusetts	Michigan	Minnesota	Missouri	Mississippi
Montana	Nebraska	Nevada	New Hampshire	New Jersey
New Mexico	New York	North Carolina	North Dakota	Ohio
Oklahoma	Oregon	Pennsylvania	Rhode Island	South Carolina
South Dakota	Tennessee	Texas	Utah	Vermont
Virginia	Washington	West Virginia	Wisconsin	Wyoming
Austria	British Antarctic	Britain	Canada	Czechoslovakia
Denmark	Egypt	Fiji	Finland	France
Japan	Korea	Lithuania	Norway	Saskatchewan
Sweden