slide01 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, AJ Lynch and J. Beck at cache post, Pioneer RH, 220-C
slide02 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck at Pioneer RH site, 220-C
slide03 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, AJ Lynch at Pioneer RH site, 220-C
slide04 - 30 May 1978, AJ Lynch: Iditarod Trail Project, Pioneer RH site, 220-C
slide05 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck at Pioneer RH site, 220-C
slide06 - 7 July 1978, AH Lynch: ATP, Clearing trees at Pioneer RH, 220-C
slide07 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, AJ Lynch at Pioneer RH site, 220-C
slide08 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, AJ Lynch at Pioneer RH site, 220-C
slide09 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck at Pioneer RH site, 220-C
slide10 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, Pioneer RH
slide11 - 30 Aug 1978, J. Beck: Pioneer RH site after clearing, 220-C
slide12 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck measuring Cabin C, Pioneer RH site, 220-C
slide13 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck at Pioneer RH site
slide14 - June 1980, Terry O'Sullivan: Pioneer Roadhouse vicinity
slide15 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck at Pioneer Roadhouse
slide16 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, John Beck and AJ Lynch at Pioneer RH
slide17 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, AJ Lynch
slide18 - 30 May 1978, Spencer Dieber: Iditarod Trail Project, Pioneer RH
slide19 - 17 June 1980, SMP: Cabin area #1 and cache
slide20 - June 1980, Terry O'Sullivan: Pioneer RH building #1, trail 220-C
slide21 - 30 May 1978, AJ Lynch: Pioneer RH site cabin #1
slide22 - 30 May 1978, AJ Lynch: Pioneer RH site cabin #1
slide23 - 30 May 1978, Spencer Dieber: Pioneer RH site cabin #1
slide24 - 30 May 1978, Spencer Dieber: Pioneer RH site cabin #1
slide25 - 9 July 1980, SMP: Interior E&N wall, cabin #1, NOTE: beginning of roof collapse
slide26 - 9 July 1980, SMP: Interior N wall, cabin #1
slide27 - 9 July 1980, SMP: Interior N wall (entry), cabin #1
slide28 - 9 July 1980, SMP: Interior S wall, cabin #1
slide29 - 30 May 1978, AJ Lynch: Pioneer RH site, cain #1
slide30 - 30 May 1978, AJ Lynch: Iditarod Trail, Pioneer RH and dog barn (cabin #3)
slide31 - 30 May 1978, AJ Lynch: Iditarod trail, Pioneer RH site, dog barn (cabin #3)
slide32 - 30 May 1978, Spencer Dieber: Iditarod trail, Pioneer RH site, dog barn (cabin #3)
slide33 - 9 July 1980, SMP: SE elev, cabin #3
slide35 - 30 May 1978, AJ Lynch: Iditarod trail, Pioneer RH site and animal barns (cabin 3 foreground, cabin 4 oft)
slide36 - 30 May 1978, AJ Lynch: Iditarod trail, Pioneer RH site, dog barn (cabin #3)
slide37 - 9 July 1980, SMP: West elev, N wall dog barn #4 (note boardwalk), dog barn #4 forward, cabin #3 back
slide38 - 9 July 1980, SMP: NW corner, dog barn #4
slide39 - 30 May 1978, Spencer Dieber: Cabin #4 (dog barn)
slide40 - 9 July 1980, SMP: East elev, dog barn #4
slide41 - 9 July 1980, SMP:  Interior, N wall, dog barn #4
slide42 - 9 July 1980, SMP:  SW corner, cabin #2
slide43 - 9 July 1980, SMP:  Interior S wall, cabin #2
slide44 - 9 July 1980, SMP:  Interior south wall, cabin #2
slide45 - 9 July 1980, SMP: S and W walls, interior, cabin #2
slide46 - 30 May 1978, AJ Lynch: Pioneer RH site, cabin #2
slide47 - 30 May 1978, Spencer Dieber: Pioneer RH site, John Beck with cabin #2 
slide48 - 30 May 1978, AJ Lynch: Pioneer RH site, cabin #2
slide49 - 30 May 1978, AJ Lynch: Pioneer RH site, John Beck at cabin #2
slide50 - 30 May 1978, Spencer Dieber: Sketch of Pioneer RH site
slide51 - 30 May 1978, Spencer Dieber: Close-up of cabin wall, Pioneer RH
slide52 - 30 May 1978, Spencer Dieber: Glass stopper bottle, Pioneer RH
slide53 - 30 May 1978, Spencer Dieber: Slidng shutter, cabin #1, Pioneer RH
slide54 - 30 May 1978, Spencer Dieber: Mail from Pioneer RH
slide55 - 31 Aug 1978, J. Beck: Poineer RH site area
slide56 - 30 May 1978, AJ Lynch:  Pioneer RH site before clearing
slide57 - 30 May 1978, AJ Lynch: Pioneer RH site
slide58 - 30 May 1978, Spencer Dieber: Mail from Pioneer RH
slide59 - 30 May 1978, AJ Lynch: Pioneer RH site cabin
slide60 - 17 June 1980, SMP: Cabin #1, Left to right: Terry O'Sullivan, Cary Brown, Steven Peterson, Dean Troter
slide61 - 30 May 1978, AJ Lynch: Bottle from Pioneer RH
slide62 - 30 Aug 1978, J. Beck: Pioneer RH site after clearing
slide63 - 30 May 1978, AJ Lynch: Pioneer RH site
slide64 - 7 July 1978, AJ Lynch: Pioneer RH cabins
slide65 - 30 May 1978, Spencer Dieber:  Gield sketch, Pioner RH size
slide66 - 30 May 1978, AJ Lynch: Pioneer RH site, cabin #1
slide67 - 30 May 1978, AJ Lynch: Pioneer RH site, cabin #1
slide68 - 30 May 1978, AJ Lynch: Pioneer RH site, John Beck and bottle cache