File 2023.2.2.8.08 - Kluane Lake 2003 photographs - slide roll 3

• Graphic material

36 photographs : col. slide ; 35 mm

Slide roll contains the following photographs:

Y03-06
Date: August 10, 2003
Location Coordinates: 61° 4’ 1.5” N, 138° 21’ 57.4” W, 825.3 m asl (± 9.5 m)
Site Description: top of slope, E aspect
Sample Depths & Descriptions:

• Y03-06-01 - Crust
• Y03-06-02 - 0-6 cm - Ahk (10YR 3/2 m; strongly effervescent)
• Y03-06-03 - 6-14 cm - Bmk (2.5Y 3/3 m; strongly effervescent)
• Y03-06-04 - 14 cm+ - IICk (strongly effervescent)
  Slide roll 3 #36-35 (corresponding prints and negatives: Print roll 4, #1-2)

Y03-07 (peninsula near Kluane visitor centre, Sheep Mt.)
Date: August 11, 2003
Location Coordinates: 61° 1’ 42.8” N, 138° 29’ 36.2” W, 786.7 m asl (± 5.7 m)
Site Description:

• recent (?) landslide with loess accumulation in pockets, thinner on boulder surfaces, dominated by dark cyanobacteria crusts
• limited loess accumulation due to exposure of site
• crust is calcareous at surface
  Sample Depths & Descriptions:
• Y03-07-01 - Crust
• Y03-07-02 - 0-6 cm - Ck
• Y03-07-03 - 6-9 cm - Ahkb
• Y03-07-03 - 9 cm+ - Rock
  Slide roll 3 #34-30 (corresponding prints and negatives: Print roll 4, #3-10)

Lower Slims River (lookout knoll at parking lot N of visitor centre)
Date: August 11, 2003
Location Coordinates: 60° 59’ 56.4” N, 138° 33’ 36.4” W, 844.8 m asl (± 7.3 m)
Site Description: some fire disturbance, but lower slopes have more intact crusts on loess (calcareous to surface)
Slide roll 3 #29-26 (corresponding prints and negatives: Print roll 4, #11-17)

Lower Slims R (lowest bench below lookout knoll)
Date: August 11, 2003
Location Coordinates: 60° 59’ 51.8” N, 138° 33’ 36.2” W, 814.3 m asl (± 7.9 m)
Site Description: not burned; good intact crust; vegetation: A. frigida, Calamogrostis purpurea, Erigeron caespitosus, Linnaea, Carex filifolia (sparse cover ~ 50%)
Slide roll 3, #25-23 (corresponding prints and negatives: Print roll 4, #18-20)

Slims Soil
(Holocene paleosol with well-developed B horizon under Neoglacial calcareous loess – location not recorded, but likely from roadcut exposure along main Slims R trail)
Slides roll 3, #22 (corresponding prints and negatives: Print roll 4, #21)

Lower end of Sheep Creek
Date: August 11, 2003
Misc. views of grassland vegetation and landscape (locations not recorded)
Slides roll 3, #21-18 (corresponding prints and negatives: Print roll 4, #26-33)

Overlook at lower end of Sheep Creek canyon
Date: August 11, 2003
Location Coordinates: 60° 59’ 42.2” N, 138° 34’ 38.1” W, 878.0 m asl (± 9.5 m)
Site Description: heavy use by sheep (abundant droppings) but still has ~ 50% crust coverage
Slides roll 3, #17-16 (corresponding prints and negatives: Print roll 4, #34-35)

Slims River delta
Date: August 11, 2003
(location not recorded)
Slides roll 3, #15-14: salt efflorescences (corresponding prints and negatives: Print roll 5, #1-3)

Y03-08 (Cultus Bay Rd. – at top of switchbacks)
Date: August 12, 2003
Location Coordinates: 61° 3’ 43.1” N, 138° 21’ 4.0” W, 833.8 m asl (± 5.1 m)
Site Description: good exposure of loess (35 cm) with Slims Soil over glaciofluvial terrace – pinches out downslope [note: this site was sampled because of development of buried paleosol, and was not part of biological crust study by Marsh et al. (2006)]
Sample Depths & Descriptions:

• Y03-08-01 - 45-48 cm - Ahkb (7.5YR 3/3 d; strongly effervescent)
• Y03-08-02 - 48-56 cm - Bmkb (7.5YR 4/3 d; strongly effervescent)
• Y03-08-03 - 56-70 cm - Ccab (2.5Y 5/2 d; strongly effervescent)
• (not sampled) - 70 cm+ - IICca (glaciofluvial; strongly effervescent)
• Intact sample: 56-36 cm - depth (including Slims Soil)
  Slides roll 3, #13-11, 5-4 (corresponding prints and negatives: Print roll 5, #8-10, 17-18)

Y03-09 (cliff top on E. shore of Kluane L. at Christmas Bay)
Date: August 12, 2003
Location Coordinates: 61° 4’ 0.0” N, 138° 22’ 35.3” W, 828.3 m asl (± 7.3 m)
Site Description: ~ 60 cm loess over glaciofluvial gravels
Sample Depths & Descriptions:

• Y03-09-01 - Nostoc crust
• Y03-09-02 - Tortula ruralis – Cetraria crust
• Y03-09-03 - 0-14 cm - ACk (10YR 3\2 d)
• Y03-09-04 - 14-16 cm - Ahkb1 (10YR 2/2 d)
• Y03-09-05 - 16-18 cm - Ck1 (10YR 4/3 d)
• Y03-09-06 - 18-20 cm - Ahkb2 (10YR 3/2 d; discontinuous)
• Y03-09-07 - 20-27 cm - Bmkb1 (10YR 4/3 d)
• Y03-09-08 - 27-33 cm - Bmkb2 (7.5YR 4/3 d)
• Y03-09-09 - 33-46 cm - Bmkb3 (10YR 4/3 d)
• Y03-09-10 - 46-55 cm - Ck2 (2.5Y 5/3 d)
• (not sampled) - 55-60 cm+ - IICk (glaciofluvial gravels)
  Slide roll 3, #10-6 (corresponding prints and negatives: Print roll 5, #11-15)

Y03-10 (shore bluff N. of Silver City)
Date: August 12, 2003
Location Coordinates: 61° 2’ 55.0” N, 138° 23’ 17.2” W, 806.7 m asl (± 7.3 m)
Site Description: 70% slope, SW aspect; vegetation: Elymus, Carex, Artemisia, Erigeron
Sample Depths & Descriptions:

• Y03-10-01 - Crust
• Y03-10-02 - 0-18 cm - ACk (10YR 4/2 m; strongly effervescent)
• Y03-10-03 - 18-25 cm - Ahkb(?) (10YR 4/2 m; strongly effervescent)
• Y03-10-04 - 25-40 cm - Ck (2.5Y 5/2.5 m; strongly effervescent)
• (not sampled) - 40 cm+ - IICk (glaciofluvial gravels; strongly effervescent)
  Slide roll 3, #3-1 (corresponding prints and negatives: Print roll 5, #19-22)