Editore: The Auk, 1970
Da: Larry W Price Books, Portland, OR, U.S.A.
Rivista / Giornale
Pamphlet. Condizione: Very Good. Vol 87, pp. 329-341, Illus, Extracted from orig vol, thus begins with title page, trimmed & stapled pamphlet, paper wrinkled at bottom else VG.
Editore: Planning Division, Office of Economic Planning and Development, 1974
Da: Blue Heron Books, Claremont, CA, U.S.A.
Soft cover. Condizione: VG-. Prepared by the Arizona Academy of Science. Two parts: Management and use of Federal Research Natural Areas and Established Natural Areas in Arizona. Includes 36 natural sites. Owners name inside and on page ends.