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Sources
Interestingly there's only one image in the BC Archives, and only one textual record, which are the papers of the eponymous Mr. Breakenridge - and the image may be on the slopes of Breakenridge, with the mountain shown being Richardson or wahtever it is on the other side of Harrison Lake (the northernmost summit of the
Douglas Ranges, or the one to the south of it; can't tell from the light/angle). Just for quick sourcing, and to get past all the Wikiclones and peakbagger/bivouac spinoffs, I made a
google search for "Mount Breakenridge"+"hazard" - if using "geotechnical hazard" it only gets you to the FVRD's report (which is interesting enough all by itself). I haven't hunted through the google yet; if anything you'd hope the Ministry of Environment or the Ministry of Forests or someone in the provgov, if not the fedgov (as you'd also hope)....
Skookum1 (
talk)
00:35, 25 October 2008 (UTC)reply
It seems like this mountain has had large collapses in the past as well. There's features on the mountain's flanks that look like landslide scars.
Black Tusk (
talk)
20:13, 25 October 2008 (UTC)reply
Yeah, some of the pictures you'll find on the FVRD reports - that's where I think I saw 'em - are pretty interesting, broken-crag overhangs, sharp slabs, fractures - crevasses - into the mountain flank. I used to have DoH avalanche maps for the Duffey Lake and Bridge River roads (Lillooet-Gold Bridge) but there must be newer, though the kind I had you wouldn't find online - nice big long topo strips, foldable, with each 'chute marked and named; 50 or so between
Cayoosh Pass and Lillooet, 70 at least between Lillooet and Gold Bridge. No particular disasters, though there must be some disaster management issues along the route, particuarly in the canyons, i.e. in regional reports. Got a pic of a big rockslide on
Cayoosh Canyon I'll upload when I finally write that article and/or its parent
Cayoosh Creek; not sure there should be two. Amnhyway the
Texas Creek slide, 4000 BP that gave birth to the
Keithley Creek culture-era in the central Fraser Canyon is still a road hazard - "the Big Slide" on
Highway 12. Wanted to mention there's also a hazard I know of over near Boston Bar, I think it's even Boston Bar Mountain or Hell's Gate Mountain. Same thing as Breakenridge - big crack in the mountain; except in this case it would dam the Fraser, with the lake potentially flooding out Kamloops and reaching to Williams Lake, depending on how much comes down. Perhaps the disaster management tag should be put on the Fraser Canyon article, as there's a big avalanche-and-repair history throughout the historical era, but even a lot recently; often tied to storms or earthquakes or train spills that have wiki articles by the way...there was also a big slide from
Arthurs Seat, the peak overlookign
Spences Bridge, which wiped out a local Nlaka'pamux community just downstream from teh cuuren t bridge/ actually not quite sure where it is. I'll send you pics of
Mount MacLean or is it
Mount McLean, which is one of the three high summits of
Mission Ridge, and it's got that same crag apperance as Breakenridge, although in this case lots has let go, and continues to.....hmmm CNR/BCR has ongoing slide managnement issues along
Seton Lake, which has "eaten" about fifteen freight treins, including eight locos over time; some got fished out, some were never found - the lake's true bottom has never been found, likewise Anderson's; I'm not sure if it was a catastrophic collapse because it continues now, and there's a smaller one on the south side of Anderson Lake, if "smaller" is the right word for something so large; too steep, I think, to be gradual erosion; I'm hoping to find info on teh hazards; I know within the Seton community there were counter-reports to plans to log the slope above town, based on the slide history and origin; I've got contacts up there maybe I can find the report, probably MoF come to think of it. Anyway I 'd think there's robably more of these that deserve the Disaster Managmenet project if the details can be found; maybe the thing to do is bring it to that project and ask what their respective parameters are; the
Salmon Glacier is a formal hazard, too, I think, and the
Exchamsiks landslide on the Skeena last year was a big one; theoretically all higwhays of a certain kidn in B C are in need of regular "disastser managnement," huh? Anwyay, later, food's geting cold....
Skookum1 (
talk)
23:51, 26 October 2008 (UTC)reply
What exactly does this mountain look like? I only know there's crevasses, overhangs etc because I seen photos of the mountain's flanks. If you can tell me what this entire mountain looks like I could possibly get an image for this article.
Black Tusk (
talk)
17:05, 28 October 2008 (UTC)reply
From where? I mean, an aerial or what? I've never seen it in person, though I know what Robertson looks like (across Harrison Lake), but again not from that angle. What does it look like? Pretty much like other peaks in the north/central Lillooet Ranges, that's about all I can help you with; tehre are higher summits in behind it, Traverse Peak and Cairn Needle, but again I've never seen them up close and personal. It is the cloesst of the group to Harrison Lake though....maybe there's pics on teh
In-SHUCK-ch's own website, or on a website for the
Douglas First Nation, if they have a website that is.....I'll look in BC Archives but I'm pretty sure I already did....
Skookum1 (
talk)
14:45, 29 October 2008 (UTC)reply
This ain't it, but it's in teh same area; Silver Mountain would be closer to the Silver River, farther south.
This might be it, the peak in the background that is, not the landslip in the foreground, though n o doubt that's why the photo was taken.
This may be it - one of the two mountains on the left, the nearer one I think but I'm not sure (we can use this image {{PD-Canada}}; the rason I think it's the nearer one is the shape of the peak, but it seems a bit too close to the lakehead/Douglas for what I remember of the map, but the rear peak doesn't look like it's close enough to the lake to cause a "slip"...
the peak on the far right here also I think is it; the one in the background I'm pretty sure is
Gunsight Peak/
In-SHUCK-ch Mountain although it may be Fire Mountain, but from teh angle I don't think so...
this is another maybe but that would be an island on the left, which would have to be Long Island, and it would have to be a telephoto lens I think....there's a ridge in the angle of Stokke Creek which that might be instead though, I've seen pictures on bivouac (it'd be worth YOUR while to join bivouac by the way; just don't let Robin recruit you as a data volunteer :-D....
Skookum1 (
talk)
15:03, 29 October 2008 (UTC)reply
Anywhere - north, south, west, east. I was going to do is get a screenshot of it like I did for the Ilgachuz Range, Itcha Range, Edziza etc.
Black Tusk (
talk)
17:00, 29 October 2008 (UTC)reply
[undent]Not sure if this will work but
this is a "bookmark" from within the Basemap Online Store; it's impossible to mail/save their maps anymore, they want magic beans in return. so in that one shot where i said it might be the nearer one, it's definitely the farther one; and in the one where I mention Long Island on the left, it will be the peak in the background....and probably was a long lens, definitely not a wide-angle....
Skookum1 (
talk)
17:15, 29 October 2008 (UTC)reply
Worked. I just uploaded an image of Harrison Lake
here. Is Mount Breakenridge the snow covered triangular mountain mass on the east side of upper Harrison Lake? There appears to be secondary peaks and ridges on top of it unless it's one of those.
Black Tusk (
talk)
19:22, 29 October 2008 (UTC)reply
The ones north of it are Traverse and Cairn Needle....it's the south-point of the ridge; use the Basemap thing to swithc over to topos and you'll see more exactly where it is. Two things about the image - can you create a full-size/more-detailed one than the current pixel size, e.g. 2000 px instead of 700 px or whatever; and also bring the bottom of the map down to show Agassiz and Harrison Bay; Chilliwack might be too much; and also slightly to the west although that's not as critical; this pic could be used to illustrate other things, although I guess the one on
Lower Mainland works fine (I shoudl re-do those boundaries though...). There's a couple of locations I'd like you to make up for me, I'll give you the lat-long parameters later tonight; big enough for label-specifics (towns, other sites.....also I think you can brighten it a bit....the glacial silt from the Lillooet River's intersting to see isn't it?
Skookum1 (
talk)
21:46, 29 October 2008 (UTC)reply
I used the coordinates for Breakenridge eariler after I posed my comment above - guess I should have used those before I asked huh? The Harrison Lake image is a cropping from
NASA World Wind and that is the maximum size I could get it.
Black Tusk (
talk)
00:04, 30 October 2008 (UTC)reply
Someone had posted the CME's entry about Breaknridge as a cite ont eh Harrison Hot Sprigns page, which of coruse isn't reliable in Wiki terms; I wrote it. So I looked around to legitimize the citations and so I've been slowly browsing for a suitable proper cite, i.e. a provincial government report etc but linked ones are not all that common; and many are only in FVRD refernces ot private consultant's reports, e.g.
on this page. I thought about just quoting this FRD report, but it still doesn't vie details of the anticipated wave size etc; the reliability of private consultancies is also at issue, though perhaps no less reliable than by the government's own engineers; just with different priorities. I'll keep looking, but if there's a way to use the link I just cited here instead of bivouac. it's recommended as, again, it was me who penned Bivouac's little note...there's a report somewhere with pictures of the fracture zone, I'll ry to find it again....
Skookum1 (
talk)
02:56, 20 December 2008 (UTC)reply
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