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 "description": "The intended use of these geologic hazard datasets is that they will be considered as regional geologic hazard tools integrated into standard workflows by Boulder County land use, development review, transportation and other departments to provide guidance for future site specific geologic and geotechnical studies for proposed development and improvements. These datasets are not intended to replace site specific geologic hazard information, nor do they assign a level of risk. Susceptibility indicates that an area has the potential for a geologic hazard. Susceptibility Is derived by using the characteristics of areas with known geologic hazards to find other areas with similar conditions which may also be susceptible. An area identified to be susceptible does not indicate that a certain geologic hazard will occur in that area. Due to the scale of the geologic maps used, the limitations of the modeling methodologies employed, and the manual editing over a large countywide area, there may be areas outside the limits identified in these datasets which have geologic hazard susceptibility.The interpretation of these geologic hazard datasets should be given to geologists and geotechnical engineers with the qualifying experience and certification to make such determinations and site specific characterizations.Information compiled from Cesare, Inc., and Skyline Geoscience. Datasets used to assemble this dataset:HAZARD_LANDSLIDE_SUSCEPTIBILITY. Source: Skyline Geoscience, July M Frazier, P.G.; Cesare, Inc., K. Craig Vaughn, P.E.; Geologic Hazard Datasets, 2019 Revisions, Project No. 16.3097; May 9, 2019. Lindsey, Kassandra. \u201cOF-19-06 Landslide Inventory and Susceptibility Map for Boulder County, Colorado.\u201d Geologic Hazards. Open File Report. Golden, CO: Colorado Geological Survey, June 2019. The following are the steps used to create the Landslide Susceptibility Area BCCP Geologic Hazard layer:A GIS Buffer operation was run using a distance of 1 foot. Since the Cesare data was derived from high resolution raster data, the layer has a pixelated appearance. The buffer operation assists to connects the features (cells) that only touch on a corner. This assists greatly with the next steps.NameSource & DateMore InformationData LocationLandslide SusceptibilityCesare 2019Figure 3, Letter May 9, 2019.Previously shown on Plate 9, 2017 Addendum.\\prjlu\\2019\\GeohazardDatasets_GIS-19-0042\\Landslide.Suscept.2019\\Landslide.Suscept.2019.shpBCCP_GEOLOGICHAZARD_LANDSLIDE_SUSCEPTIBILITYA GIS Dissolve operation was then run again to merge the features together. A GIS Smooth Polygon operation was then run, using a tolerance of 20 feet. This distance was choice since it twice the width of a cell. This operation just smooths out the corners of the features.Landslide Susceptible from the CGS was then merged to this data. By using merge, if any of the layers were present, that area was included. For example, if there were two overlapping circles, the entirety of both circles was included, not just the part that was over lapped by both circles.NameSource & DateMore InformationData LocationLandslide SusceptibilityCGS 2019Contact CGSv:\\prjlu\\2019\\GeohazardDatasets_GIS-19-0042\\CGS Landslide files 2019-11-04\\Boulder_Susceptibility_Final.shpBCCP_GEOLOGICHAZARD_LANDSLIDE_SUSCEPTIBILITYA GIS Dissolve operation was then run on the layer. This completed the merge so that individual features from each layer are no longer present.The data was then projected to Colorado State Plane North Feet, WKID 2876 Clip data to extent of county.See \"V:\\prjlu\\2019\\GeologicHazardBCCPMap_GIS-19-0100\\README Geologic Hazard Data Sources and Processing.docx\" for more information on how this dataset was created.",
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