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Topic: Rockfall

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	Erosion Control \| Rockfall Protection: Challenges in Design and Installation
		Rockfall mesh is double twisted (one twist more than its chainlink cousin), which prevents stretching and, when properly installed, allows rock under the mesh to move farther down a slope.
		Rockfall mesh and cable netting can be anchored at the bottom or - when the plan is to leave room for debris to flow beneath the mesh - left open so the debris can be caught in a catch fence or a retaining wall at the toe of the slope.
		Rockfalls in the quarry caused residents, whose homes were located approximately 2,625 ft. from the mining operations, to be concerned.
	www.forester.net /ec_0009_rockfall.html (4164 words)

	News Release - Yosemite National Park
		A rockfall on August 11, 1999 dropped approximately 100 tons of rock and closed the trail for two weeks.
		A smaller, 15 -ton rockfall on September 25, 2001 temporarily closed the trail for minor repairs and a safety assessment.
		Rockfall is a natural process in Yosemite National Park and when and where it occurs cannot be predicted.
	www.nps.gov /yose/news/2003/rock0723.htm (309 words)

	The Middletown Press - News - 10/29/2003 - Rockfall Foundation seeking proposals for nonprofit grants
		MIDDLETOWN -- The Rockfall Foundation is inviting grant proposals from nonprofit organizations, towns, and schools for environmental education or planning projects in Middlesex County.
		The Rockfall Foundation’s grants serve as a catalyst for projects that enhance the environment or increase public awareness and knowledge of the natural resources.
		Rockfall Foundation matching grants typically range between $500 and $2,500 and require an equal match of cash or in-kind services from the applicant.
	www.zwire.com /site/news.cfm?newsid=10425512&BRD=1645&PAG=461&dept_id=33198&rfi=6 (281 words)

	23 Aug 1999 -Seismic Monitoring Equipment to be Installed in Yosemite (Site not responding. Last check: 2007-10-12)
		Yosemite rockfall experts are partnering with the U.S. Department of Energy's Lawrence Livermore National Laboratory and the US Geological Survey to establish a network of seismic instruments to study rockfall in the east end of Yosemite Valley.
		Rockfall is a dynamic example of the natural processes that have made Yosemite National Park a world renowned place of beauty.
		While rockfall can be an exhilarating phenomenon to see, it is also currently unpredictable and can be hazardous to climbers and people hiking in rockfall areas at the bottom of Yosemite's towering granite walls.
	www.nps.gov /yose/news/1999/rock0823.htm (321 words)

	Rockfall prevention bills failed - The Honolulu Advertiser - Hawaii's Newspaper
		Proponents say residents are nearly defenseless in dealing with rockfall danger on their own, and legislation is needed to assure public safety.
		The bills were the result of two years of effort by Nu'uanu residents, who have sought legislation to help minimize the chance of rockfalls since 26-year-old Dara Rei Onishi was killed in 2002 by a 5-ton boulder that tore through her bedroom as she slept.
		He would like to see a survey done in all areas where homes and lives are at risk from rockfalls and standards set for development on ridges in these areas to make sure boulders are not loosened in the course of construction.
	the.honoluluadvertiser.com /article/2004/May/19/ln/ln05a.html (1137 words)

	SignOnSanDiego.com > News > State -- Rockfall in Yosemite injures four visitors, damages housing
		About 100 visitors staying in the village were relocated in the middle of the night to other park lodging or to hotels in the nearby town of El Portal on the park's western border, Collins said.
		Several of the damaged cabins were occupied by visitors at the time of the rockfall, she said.
		Rockfalls are a natural occurrence in the park where granite cliffs rise some 3,000 feet above the valley floor, which sits at an elevation of about 4,000 feet.
	www.signonsandiego.com /news/state/20031226-1109-ca-yosemiterockfall.html (361 words)

	ROCKFALL HAZARD AND EVALUATION METHODS, THE GEORGETOWN INCLINE, COLORADO (Site not responding. Last check: 2007-10-12)
		The conditions causing rockfall were determined in an attempt to select appropriate mitigations measures to reduce the risk of rockfall affecting motorists along the Georgetown Incline.
		The conditions causing rockfall fall into 2 categories, one occurs when rockfall is controlled by structural conditions, and the other occurs when rockfall is controlled by erosion.
		The Colorado Rockfall Hazard Rating System and a modified Q-rating system were used to evaluate the conditions causing rockfall along the Georgetown Incline.
	gsa.confex.com /gsa/2002RM/finalprogram/abstract_34090.htm (444 words)

	Rockfall Rockfall hazards! We developed dynamic barriers for rockfall protection. Geobrugg (Site not responding. Last check: 2007-10-12)
		Rockfall test - Confidence, yes, but scientifically based tests are a must.
		This made RX-300 the first high energy protective barrier to be tested - and certified - by the Federal Expert Commission on Avalanches and Rockfall (FECAR) according to the internationally respected guidelines of the Swiss Government Agency for the Environment, Forests and Landscape.
		Furthermore, the effective height is better conserved after a rockfall event, making its protection fully available for the next event.
	www.geobrugg.com /site/geobrugg.lasso?typ=Artikel&category=200_Rockfall&subcategory=&LandSprache=en-gb1&id=35637 (284 words)

	Colorado Rockfall Simulation Program
		This analysis can be used as a tool to study the behavior of rockfall, determine the need for rockfall mitigation, and aid in the design of rockfall mitigation.
		The statistical variation observed among rockfalls is modeled by randomly varying the angle at which a rock impacts the slope within limits set by rock size and the slope characteristics.
		The rockfall testing facility near Rifle, CO. A section of fence has been erected and is ready to be put to the test.
	www.dot.state.co.us /geotech/crsp.cfm (333 words)

	HI-TECH ROCKFALL CONSTRUCTION
		Rockfall Construction Inc. specializes in rockfall safety problems on highways, railroads, dams, construction sites and many other locations.
		Our highly skilled employees have extensive experience in all types of rockfall drapery systems, rockfall barriers, debris flow barriers, rock scaling, rock bolting, and shotcrete.
		These projects have included 8,500,000 square feet of wire mesh drapery, 720,000 square feet of cable net drapery, 31,000 lf of rockfall barriers, 2,500 lf of debris flow barriers, 20,000 hours of rock scaling, 32,885 lf of rock bolting and hundreds of yards of shotcrete stabilization.
	www.hitechrockfall.com (200 words)

	Rockfall, CT - Connecticut Florists, buy flowers from your local full service retail flower shops and florist serving ...
		If Rockfall, Connecticut Florists are not available, florists in a nearby community who serve Rockfall, Connecticut may be provided.
		It is vitally important that you provide Rockfall, Connecticut Florists with accurate, detailed information regarding the name and address of the person to whom you are sending flowers.
		When placing an order for Delivery in Rockfall, Connecticut, it is usually wise to keep the order simple, the less specific you are in your request, the less room for error.
	www.flowershopnetwork.com /directory/ConnecticutFlorists/Rockfall.php (945 words)

	CVO Photo Archives - Mount St. Helens - Brutus Repeat Views and Annotated Views, 2004, 2005
		Rockfall, top of Mount St. Helens dome, current "spine" area, as seen from the remote camera on Brutus.
		Rockfall at approximately 3:00 P.M. USGS Photograph taken on November 22, 2005.
		Rockfall off of the spine on the new dome, as seen from the Brutus camera station.
	vulcan.wr.usgs.gov /Volcanoes/MSH/Images/MSH04/repeat_views_from_brutus.html (1170 words)

	Oregon Mountaineering Accident - Sandy Glacier, Mt Hood - June 2000
		Two active OMA members were involved in a rockfall incident at 7:30 am on June 20, 2000.
		It covers the climbers, the route, the conditions, the climb, the descent after the rockfall, assessing the situation, calling for help, the rescue, and the injuries.
		These slopes that are traversed here are inherently exposed to rockfall and the pair made steady progress without stopping.
	www.i-world.net /oma/news/accidents/2000-06-19-hood.html (2520 words)

	Rockfall The Return - ZDNet Downloads
		Rockfall puts you into the boots of a treasure-seeking fellow who goes by the name of Spud.
		The only problem is he is hindered by the ever-present risk of falling boulders, various nasties, and other hazards, which are all hell bent on him not making it to his retirement.
		Rockfall is a classic arcade puzzler for the entire family.
	msn.com.com /3000-2111-10247000.html (218 words)

	The Rockfall Foundation
		Originally known as The Rockfall Corporation, the name was changed in 1987 to reflect its dedication to community service as a private, non-profit charitable organization.
		Continuing his tradition of philanthropic activity in Middlesex County, the Rockfall Foundation holds and manages open-space property, preserves and operates the historic deKoven House as a community center, and supports environmental projects, awards, grants, and educational programs.
		The Rockfall Foundation seeks to maintain its role as a catalyst working with other organizations to support relevant community services and enlightened means of natural resource conservation, preservation and development which contribute to the improved quality of life for people in Middlesex County.
	www.rockfallfoundation.org (185 words)

	Title page for ETD etd-06082004-071701
		Rockfall from rock slopes adjacent to roadways is a major hazard and poses a problem for transportation agencies across the country.
		The state of Tennessee has implemented the Tennessee Rockfall Management System (RMS) as a means of reducing the liabilities associated with rockfall hazard.
		The Tennessee Rockfall Hazard Rating System (RHRS) is part of the Tennessee RMS and assigns a numeric hazard rating according relative hazard for all slopes identified as having a high potential for delivering rock blocks onto Tennessee Department of Transportation maintained roadways.
	scholar.lib.vt.edu /theses/available/etd-06082004-071701 (208 words)

	Rockfall - The Return - Play Free Games - Grab.com Games
		We do not endorse this product, and we are neither responsible for its content or issues that may arise from its download or use.
		Rockfall puts you into the boots of our little treasure seeking fellow who goes by the name of Spud.
		His goal in life is to collect as many gems as possible in order to secure himself with a nice little retirement fund for himself and his family.
	www.grab.com /games/view.php?game=312 (251 words)

	Rockfall Construction Company
		Avoid that nightmare and stress, take The Rockfall approach to a custom designed, quality built modular home ready in about 8 weeks.
		The Rockfall Company is dedicated to becoming the leader in the design and erection of custom built modular homes.
		Our experienced team of design, planning and construction professionals work with you to create and build the exact home you want, on time and on budget.
	rockfallco.com /whymodular.htm (803 words)

	CBS News \| Mt. St. Helens Rockfall Plumes Draw Notice
		(AP) Rockfall at Mount St. Helens kicked up a dust plume Tuesday that rose above the rim of the volcano's crater, drawing attention in the region.
		The white plume floating above the peak was raising concerns locally.
		"When rockfalls go down they kick up a dust plume and people can see it _ especially from Portland," Moran said.
	www.cbsnews.com /stories/2005/11/23/ap/tech/mainD8E1UHJ01.shtml (229 words)

	CVO Photo Archives - Mount St. Helens - 2005
		There was a second rockfall and plume that afternoon.
		The rockfall plume shown here was in the morning.
		Rockfall, Mount St. Helens dome, as seen from the remote camera on the southwest crater rim.
	vulcan.wr.usgs.gov /Volcanoes/MSH/Images/MSH04 (1392 words)

	ABC News: Mt. St. Helens Rockfall Plumes Draw Notice (Site not responding. Last check: 2007-10-12)
		A dust plume above the rim of the volcano's crater caused by a rockfall at Mount St. Helens is seen from Portland, Ore., Tuesday, Nov. 22, 2005.
		VANCOUVER, Wash. Nov 22, 2005 — Rockfall at Mount St. Helens kicked up a dust plume Tuesday that rose above the rim of the volcano's crater, drawing attention in the region.
		"When rockfalls go down they kick up a dust plume and people can see it especially from Portland," Moran said.
	abcnews.go.com /Technology/wireStory?id=1339351 (278 words)

	Vail Daily News for Vail and Beaver Creek Colorado - News
		Another minor quake occurred in the Paonia/Crawford area on Nov. 23, two days before the rockfall, but that was way too small and too far away to have been a cause, Person said.
		The highway’s alignment was partly dictated by an attempt to minimize the risk posed by overhanging rock.
		But some rockfalls can’t be predicted or prevented, Ortiz said.
	www.vaildaily.com /article/20041215/NEWS/111290015 (3062 words)

	Community questions use of rockfall mesh - The Honolulu Advertiser - Hawaii's Newspaper
		Residents of Mariner's Ridge are worried that the rockfall containment work will unsettle their foundations, affect wildlife and require maintenance.
		Some of the anchor bolts will be just 20 feet from their property lines.
		The first phase includes expanding an existing catchment system and the second phase, including the three-layer mesh, calls for stabilizing loose or cracked boulders and installing wire mesh cages around 22 rocks identified as potentially unstable.
	the.honoluluadvertiser.com /article/2003/Jun/29/ln/ln22a.html (572 words)

	Cheat Codes Club - Rockfall Cheat Codes
		If you have difficulty using any of the cheats found on these sites, we recommend discussing Rockfall cheat codes on Game Score's Game Forums.
		If none of these sites have decent Rockfall cheats, it probably means that Rockfall is either a very new game or that it just doesn't have any cheats.
		Someone there can probably answer Rockfall game, cheat, or strategy questions and pretty much everything else related to gaming.
	www.cheatcodesclub.com /search.php?gamename=Rockfall&system=all (106 words)

	Colorado Rockfall Simulation Program
		The Colorado Rockfall Simulation Program (CRSP) is a powerful tool to aid in understanding falling and rolling rocks.
		Build and animate your own rockfall simulation model by inputting parameters such as slope geometry, surface characteristics, rock diameter, density, and velocity.
		This program provides analyses of rockfall with output of velocity, impact force, and bounce height statistics at various locations on the slope.
	geosurvey.state.co.us /Default.aspx?tabid=145 (389 words)

	Rockfall on HD :: SuperTopo Rock Climbing Discussion Topic (Site not responding. Last check: 2007-10-12)
		I can't recall exactly where the lower pitches on Kali Yuga go--when I joined Walt for the FA he already had the initial pitches fixed from a solo attempt.
		In the picture you clearly see the "elephant" feature above the rockfall where we joined it on the right side.
		As I recall there's still a pretty (un)healthy chunk of flake perched in the scar...looks like the AO useta.
	www.supertopo.com /climbing/thread.html?m=69114 (193 words)

	Earthquake of the Week
		Picture of the cliff between Glacier point and Washburn Point taken the day after the rockfall (photograph courtesy of Gerald Wieczorek).
		Picture of rockfall showing the detachment zone at the top and the impact area at the bottom.
		A through D indicate the impact area of each part of the falling rock.
	www.seismo.berkeley.edu /seismo/events_of_interest/yosemite/eoi_yos.html (833 words)

	IngentaConnect Effect of support size on the accuracy of a distributed rockfall ... (Site not responding. Last check: 2007-10-12)
		It is investigated whether a GIS-based distributed model developed for rockfall assessment at slope scale, which uses data with a support of 2.5×2.5 m, could be used for rockfall assessment at the regional scale, using input data with a support of 25×25 m and of poorer quality.
		It was anticipated that in the latter case the model error would increase.
		The results show that simulating the maximum extent of rockfall runout zones with a distributed model using data with a support of 25×25 m is realistic and feasible.
	www.ingentaconnect.com /content/tandf/tgis/2004/00000018/00000006/art00004 (352 words)

	Quake triggers rockfall at Mount St. Helens
		Molten rock reached the surface Oct. 11, 2004, marking resumption of dome-building activity that had stopped in 1986.
		On March 8, it shot ash higher than 30,000 feet, and on July 2, rockfall knocked a large piece off the growing lava dome.
		Scientists have said a more explosive eruption, possibly dropping ash within a 10-mile radius of the crater, is possible at any time.
	seattlepi.nwsource.com /local/232896_sthelens16.html?source=rss (283 words)

	Rockfall News
		Local news for Rockfall, CT continually updated from thousands of sources on the web.
		A screen on the Middlesex County College room Wednesday flashed pictures of the college president hiking the Great Wall of China, walking through Tiananmen Square, and smiling with a group of students at a...
		While students and parents beautify the Keigwin Middle School grounds today, the city honors John F. Reynolds III at the South Green.
	www.topix.net /city/rockfall-ct (791 words)

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