Search Results       Your search for [author]Haeck, Gary Dennis returned 1 record.           The geologic and tectonic history of the central portion of the Southern Sierra Madre, Luzon, Philippines. by Haeck, Gary Dennis; Ann Arbor, Mich.: University Microfilms International, 1987. Subject: Geology, Structural -- Sierra Madre, Mount (Philippines); Sierra Madre, Mount (Philippines) -- History, Tectonic.          Add to Book Cart Relevance: 26.21%