Sources

1. “ Biographies - Mr. Frederic Clare Underhilll - Life member ”, - BCLS Proceedings 1965, ABCLS, pp 102.
2. “ Biographies - Mr. James Theodore Underhilll - Life member ”, - BCLS Proceedings 1965, ABCLS, pp 103.
3. O'Keefe, Betty and MacDonald, Ina (2004) “Dr. Fred and the Spanish Lady - Fighting the Killer Flu”, Heritage House Publishing Company Ltd., ISBN 1-894384-71-7 pp
4. "The McGill Annual", Vol 3, 1911, Published by the Students of McGill University College of BC
5. "Ernest Albert Cleveland"
6. http://en.wikipedia.org/wiki/File:Cleveland_Dam_Plaque.JPG
7. http://www.chapmansurvey.com/100year.html
8. “Frederic Clare Underhill, P.Eng, DLS, BCLS, Lt. Col. RCA: 1891-1982 (22 May).”, BCLS Proceedings 1983, ABCLS, pp144-145.
9. Miller, Diane (2001) “Underhill, James Theodore”
10. “Professional Land Surveyors of BC: Cumulative Nominal Roll”, 5th July 2010, ABCLS, Victoria
11. http://search.bcarchives.gov.bc.ca/sn-9940E3/search
12. “1911 Census of Canada Indexing Project”
13. http://www.hermonsurveys.com/
14. “Horace M. Fraser Dies in Vancouver”, Cariboo Observer - Thursday, May 25, 1950
15. Bilsland, W.W. & Ireland, W.E (1971) “Atlin 1898 - 1910 : The Story of a Gold Boom”, Reprinted from the British Columbia Historical Quarterly by Atlin's Centennial Committee.
16. “Appointments: James A. Fraser of Atlin”, Victoria Daily Colonist, Friday, June 6, 1902, pp 2
17. “Altin - Wrigley's BC Directories”
18. Keopke, T.E. (2011) “Email Correspondance Re: Horace McNaughton Fraser”, U&U Archives, Burnaby
19. Munday, Don (1948),“The Unknown Mountain”, Hodder & Stoughton Ltd., pp 123-125
20. “Plan of Traingulation of Klinakline River Valley, Range 2, Coast District”(1927), BC Plan 11T284, Crown Lands, Victoria, BC
21. http://www.veterans.gc.ca/eng/sub.cfm?source=collections/virtualmem
22. Underhill, Helen (2002), “Memories of the Golden Years”, The Link Magazine, Dec 2002, ABCLS, pp 14.
23. Underhill & Underhill Corporate Records, Burnaby, BC
24. http://en.wikipedia.org/wiki/Curta_calculator
25. Underhill, C.D. (1996), “Arthur Thomas Holmes, BCLS, P.Eng. 1912-1996”, BCLS Proceedings 1997, ABCLS, pp. XXXIV
26. Gordon, Katherine(2006) “Made to Measure - A History of Land Surveying in British Columbia”, Sonon Nis Press, 2006, ISBN 1-55039-153-4
27. http://www.hpmuseum.org/
28. Miller, Diane (2001) “Underhill, Frederic Clare”, http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=:1010674&id=I131
29. Vancouver Public Library, “BC City Directories 1860-1935”, http://www.vpl.ca/bccd/index.php
30. “Triangulation of Nalau Hakai & Edward Channels, Range 2, Coast District” (1921), BC Plan 2T251, Crown Lands, Victoria, BC
31. Lewall, Jim (2006), “Lewall Inlet”,http://apps.gov.bc.ca/pub/bcgnws/names/28828.html
32. Allen, Robert (2007), “Bernard (Bill) Cecil Lewall, BCLS #237, P.Eng.”, The Link Magazine, March 2007, ABCLS, pp 40.
33. Underhill, J.T. (1921), Bridge Scores in back of U&U Field Books 32&34.
34. “Triangulation of Kildidt Lagoons & Bryden Channel, Range 2, Coast District”(1921), BC Plan 3T251, Crown Lands Victoria, BC
35. Miller Diane (2001), “Underhill, John Edward”, http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=:1010674&id=I137
36. Turnbull, Frank A. (1996) “Operating on the Frontier: Memoirs of a Pioneer Canadian Neurosurgeon”, Harbour Publishing
37. Underhill, J.T (1921), Notes in back of U&U Field Book 33.
38. CMAJ September 5, 2000; 163 (5), Deaths – Dr. Frank Turnbull, http://www.cmaj.ca/cgi/content/full/163/5/683
39. Wills, A.J.(2003) “Obituaries: Anne Barbary Underhill, 1920-2003”, A&G, http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?journal=A%2bG..&year=2003&volume=..44&letter=f&db_key=AST&page_ind=213&data_type=GIF&type=SCREEN_GIF&classic=YES
40. Anne Barbara Underhill (1920-2003) http://www.astro-canada.ca/_en/a2209.html
41. Roman, N.G.(2003) “Obituaries: Anne Barbara 1920-2003”, Bulletin of the American Astronomical Society, v. 35, no. 5, p. 1476-1477 http://adsabs.harvard.edu/abs/2003BAAS...35.1476R
42. Morton, D. (2003) “Anne Barbara Underhill 1920-2003”, Cassiopeia, No. 118, Sept 2003, http://www.casca.ca/ecass/issues/2003-se/content_fs.html
43. 2154 Underhill, JPL Small-Object Database Browser, http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2154+Underhill
44. Collier, Dan (2007) “gif video of 2154 Underhill”, from archived webpage, Dan is an amature astronomer, and ham radio operator in Vancouver, Canada.
45. Stanley P. Frankel, Unrecognized Genius, http://www.hp9825.com/html/stan_frankel.html
46. “The Story of Mel, A Real Programmer”, http://www.wizzy.com/andyr/Mel.html
47. http://archive.computerhistory.org/resources/text/Royal_McBee/RPC.LGP-30.1956.102646223.pdf
48. "The Inuvialuit Final Agreement", http://www.eco.gov.yk.ca/pdf/wesar_e.pdf
49. "The Gwich'in Comprehensive Land Claim Agreement", http://www.gwichin.nt.ca/documents/GCLCA.pdf
50. "Sahtu Dene and Metis Final Agreement", http://www.ainc-inac.gc.ca/al/ldc/ccl/fagr/sahtu/sahmet/sahmet-eng.pdf
51. "The Nunavut Land Claims Agreement", http://www.tunngavik.com/documents/publications/1993-00-00-Nunavut-Land-Claims-Agreement-English.pdf
52. "Council of Yukon First Nations (CYFN) - Umbrella Final Agreement", http://www.cyfn.ca/ouragreementsufa
53. "Tlicho Agreement", http://www.tlicho.ca/sites/tlicho/files/tliagr_e.pdf
54. "The Maa-Nulth Final Agreement", http://www.maanulth.ca/downloads/treaty/2010_maa-nulth_final_agreement_english.pdf
55. "Warming up the LGP-30", http://www.youtube.com/watch?v=7WaYYNUCWMY
56. Association of BC Land Surveyors – Archives, Victoria, BC
57. Cotton, H.B. (2007) “Edward Stephen Wilkinson, C.E., L.S.”, The L.S. Group British Columbias'a First Land Surveyors, The Association fo BC Land Surveyors, Friesens, 2007, pp. 362
58. Surveyor General File 030455 (1921), BC Archives, Victoria, BC
59. Surveyor General File 074869 (1927-1928), BC Archives, Victoria, BC
60. Juhl, Ginger M. (1990) “B.C. Hydro Automates a Province”, GIS World, Aug-Sep 1990, p. 28-31 http://www.geoplace.com/