Porter, E. Brower, D. Summer island:penobscot country - Sierra Club San Francisco - 196 = Porter, E. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 0640 Nat. Bib. Agency Control No.: 577.4(73)POR Subjects--Topical Terms: Environmental SciencesSea windSummer IslandNestsMatinicus rock Universal Decimal Class. No.: 577.4(73)