TRAVEL MAPS The Collection contains travel maps (road maps, city maps, auto-touring maps, etc. for Oregon and the Portland Metropolitan Area. Indexes, maps are filed in green pamphlet boxes (Oregon Maps/Indexes and Portland-Metro Maps) behind the reference desk on the 5th floor. OREGON   Pittmon pocket maps: A set of black and white maps covering the entire state (Albany - Woodburn).   Oregon [State map}: A pocket road map. PORTLAND METROPOLITAN AREA   Wall map of Portland: on the wall adjacent to the Map Collection on the 4th floor. A guide to using the Grid Tape Locator is filed in the green pamphlet box labeled, Portland-Metro Maps, behind the reference desk on the 5th floor.   The Thomas Guide (1996 ed.): Street guide Directory, covering Clackamas, Columbia, Multnomah, Washington and Yamhill counties, as well as the Greater Vancouver Area, Washington.   Rand McNally Portland & Vicinity Street Finder (1995 ed.): Spiral bound colored maps.   Pittmon map [atlas] of Greater Metropolitan Portland (1988 edition): Includes street finder, and set of maps from Aurora to Yamhill.