31. The Helen Planitia region of Venus in four map sheets Author/Creator: Geological Survey (U.S.), issuing body Publication/Creation: Denver, Colorado : For sale by USGS Information Services Resource Type: Map Access & Availability: Loading
32. Helicopter electromagnetic and magnetic survey maps and data, East Poplar Oil Field area, August 2004, Fort Peck Indian Reservation, northeastern Montana Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0, posted Aug. 2006. Access & Availability: Loading
33. Hellenistic empires, c.275 BCE Publication/Creation: [S.l.] : Maps.com, c2000 Resource Type: Map Access & Availability: Loading
34. Helsinki Publication/Creation: [S.l.] : Maps.com, c2001 Resource Type: Map Access & Availability: Loading
35. Helsinki Publication/Creation: [S.l.] : Maps.com, c1997 Resource Type: Map Access & Availability: Loading
36. The Helsinki atlas of the Near East in the neo-Assyrian period Publication/Creation: [Chebeague Island, Me.] : Casco Bay Assyriological Institute ; [Helsinki] : Neo-Assyrian Text Corpus Project, 2001 Resource Type: Map Access & Availability: Loading
37. High Falls quadrangle, Georgia, 1973, photorevised 1982 : 7.5 minute series (topographic) Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : The Survey : For sale by the Survey, 1983 Resource Type: Map Edition: Photorevised 1982. Access & Availability: Loading
38. High school completion rates in Appalachia, 1980 : (county rates) Author/Creator: Appalachian Regional Commission Publication/Creation: [Washington, D.C.] : [Appalachian Regional Commission], [2004] Resource Type: Map Access & Availability: Loading
39. High school completion rates in Appalachia, 1990 : (county rates) Author/Creator: Appalachian Regional Commission Publication/Creation: [Washington, D.C.] : [Appalachian Regional Commission], [2004] Resource Type: Map Access & Availability: Loading
40. High school completion rates in Appalachia, 2000 : (county rates) Author/Creator: Appalachian Regional Commission Publication/Creation: [Washington, D.C.] : [Appalachian Regional Commission], [2004] Resource Type: Map Access & Availability: Loading