Photo 1. No significant change in the backscarp of Slide 1 since - - PDF document

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Photo 1. No significant change in the backscarp of Slide 1 since - - PDF document

Jul 06, 2023 265 likes •308 views

Photo 1. No significant change in the backscarp of Slide 1 since 2013 the old repair continues to be effective. Photo 2. Sag pond below Slide features, remnant from larger more ancient landslide in the Heart River Valley. No

slide-1
SLIDE 1

\\H\15\16-305 2014 PH12 Inspection Photos

Photo 1. No significant change in the backscarp of Slide 1 since 2013 – the “old” repair continues to be effective. Photo 2. Sag pond below Slide features, remnant from larger more ancient landslide in the Heart River

  • Valley. No change

since 2013.

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SLIDE 2

\\H\15\16-305 2014 PH12 Inspection Photos

Photo 3. Looking southwest from north end of Heart River Landslide repair excavation (Former Slide 2). Dark zones of seepage, visible at about 3 m below the top of asphalt pavement, are indicative of an

  • rganic layer,

remnant of the slough that was backfilled as part of the original roadway embankment construction (Excavation was about 80% complete). Photo 4. Looking north from south end of Heart River Landslide Repair Excavation (Former Slide 4). Concrete Jersey barriers are located at the approximate centerline of Hwy 744.

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SLIDE 3

\\H\15\16-305 2014 PH12 Inspection Photos

Photo 5. Looking southeast from center of the Heart River Landslide Repair (Former Slide 3). Debris flow extends further downslope than in 2013. Photo 6. Looking northwards from the south end of the temporary detour (Butte property private entry).