Topography Hydro Breaklines - 2018

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Topography Hydro Breaklines

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Topography Southwest DC - 2020

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Topography Northwest DC - 2020

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Topography Northeast DC - 2020

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Topography 10 Foot Contours - 2008

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Topography Geodatabase 2 Foot Contours - 2008

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2 foot contours (2008) provided as geodatabase. This dataset contains locations and attributes of 2-ft interval topography data, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. In addition to the 2-ft contour data ancillary datasets containing an ESRI geodatabase of masspoints and breaklines.

Launceston geomorphology - break of slope polylines

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This dataset (geomorphology_line_slopebreak.shp) contains polylines delineating breaks of slope associated with escarpments and terrace edges in the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. The shapefile has been produced using ArcGIS. The data has been generated through on-screen digitising of features identified by aerial photography interpretation.

DIGITAL DCS Terrain Submission for YAMHILL COUNTY, OREGON

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Terrain data, as defined in FEMA Guidelines and Specifications, Appendix N: Data Capture Standards, describe the digital topographic data that were used to create the elevation data representing the terrain environment of a watershed and/or floodplain. Terrain data requirements allow for flexibility in the types of information provided as sources used to produce final terrain deliverables. Once this type of data is provided, FEMA will be able to account for the origins of the flood study elevation data. (Source: FEMA Guidelines and Specifications, Appendix N, Section N.1.2)

Topography Northwest DC - 2018

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