41. Horizon. The core Publication/Creation: London, England : BBC Worldwide, 2011 Resource Type: Video or Visual Material Access & Availability: Loading
42. Horizons in Earth Science Research. Volume 15 Publication/Creation: New York, [New York] : Nova Publishers, 2017 Resource Type: Book Access & Availability: Loading
43. How old is the earth?. Author/Creator: Hurley, Patrick M., 1912- Publication/Creation: Garden City, N.Y. : Anchor Books, 1959 Resource Type: Book Edition: [1st edition]. Access & Availability: Loading
44. How old is the universe? Author/Creator: Weintraub, David A. 1958- (David Andrew) Publication/Creation: Princeton, N.J. : Princeton University Press, [2011] Resource Type: Book Access & Availability: Loading
45. How Old Is the Universe? Author/Creator: Weintraub, David A., author Publication/Creation: Princeton, NJ : Princeton University Press, [2010] Resource Type: Book Access & Availability: Loading
46. How the earth was formed : a new slant on geology Author/Creator: Francis, Dan H. Publication/Creation: Pueblo, Colorado : Francis, 1978 Resource Type: Book Edition: 1st edition. Access & Availability: Loading
47. How the earth was made Publication/Creation: New York, NY : A&E Television Networks, 2007 Resource Type: Video or Visual Material Access & Availability: Loading
48. How to build a habitable planet Author/Creator: Broecker, Wallace S., 1931-2019 Publication/Creation: Palisades, NY : Distributed through the Lamont-Dohert Geological Observatory of Columbia University Resource Type: Book Access & Availability: Loading
49. How to build a planet. Episode 1, Richard Hammond builds a planet Publication/Creation: London, England : BBC Worldwide, 2013 Resource Type: Video or Visual Material Access & Availability: Loading
50. How to think about the earth : philosophical and theological models for ecology Author/Creator: Clark, Stephen R. L. Publication/Creation: London ; New York : Mowbray, 1993 Resource Type: Book Access & Availability: Loading