Use 1Search from the library's home page to search for books in the Valley Library, OSU branch libraries, and Summit Libraries.
Rangeland Sciences materials generally fall into the in SF85 call number range and are located on the 1st floor of The Valley Library. This is a highly interdisciplinary discipline, however, so you will find books in many other areas as well including biology and ecology (QH), botany (QK), Plant science (SB), Forestry (SD), etc.