Washington State County Boundaries including Department of Natural Resources (DNR) county codes. This data is created from the WA Public Land Survey source data maintained by the DNR.WA County Boundaries Metadata

The Floodplain Mapping/Redelineation study deliverables depict and quantify the flood risks for the study area. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual- chance flood event, and areas of minimal flood risk. The Floodplain Mapping/Redelineation flood risk boundaries are derived from the engineering information Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA).

The Potomac River Atlas of Washington County, first published in 2013, has been updated for 2020 and optimized for use with the Avenza App. This atlas is the most complete and detailed map ever created of the 83-miles of the Potomac River in Washington County. The 39 maps include the westernmost section at Sideling Hill Creek, along the river to just east of Weverton Cliffs and Knoxville. The atlas is all inclusive of every natural and manmade feature, with labels: roads, rail lines, bridges, all parks, trails, boat ramps, caves, power lines, tunnels, buildings, canal structures, and a great deal more. The maps include elevations, water flow, and subdivisions. Western Maryland Rail Trail and C&O Canal Towpath mile markers are included. West Virginia (Morgan, Berkeley, and Jefferson Counties) and Virginia (Loudoun County) are included.

The use of data from Washington County indicates the acceptance of and agreement to be legally bound by the terms of Washington County printed below. DisclaimerWashington County has provided these Geographic Information System maps and data as a public information service. Every reasonable effort has been made to assure the accuracy of these maps and associated data. However, the maps and data being provided herein are intended for informational purposes only. No guarantee is made as to the accuracy of the maps and data and they should not be relied upon for any purpose other than general information.No LiabilityWashingtonCounty assumes no liability arising from the use of these maps or data. The maps and data are provided without warranty of any kind,either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.Furthermore, Washington County assumes no liability for any errors, omissions, or inaccuracies in the information provided regardless of the cause of such or for any decision made, action taken, or action not taken by the userin reliance upon any maps or data provided herein. Please consult official County maps and records for official information.IndemnificationIf user disseminates saiddata in any form or fashion to a third party, the useragrees to indemnify and hold harmless Washington County and its officials and employees from any and all claims, liability, damages, injuries, and suits, including court costs and reasonable attorney’s fees, arising from the use of the Washington County data by the userand any third party.

The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual- chance flood event, and areas of minimal flood risk. The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA). The file is georeferenced to earth?s surface using the UTM projection and coordinate system. The specifications for the horizontal control of DFIRM data files are consistent with those required for mapping at a scale of 1:12,000.

Washington County, MN Tax Parcels. An independent manual check of the parcel data was made at the time of its initial development whereby all geo-coded parcel legal descriptions in a PLSS section were reinterpreted and examined for accuracy and completeness on the hard copy check plot. As each new plat or lot division occurs, a similar process is repeated for the new additions during the maintenance period. Multiple lines of ownership indicating ambiguity in property line location are merged into a single line if falling within 3 feet of each other. Gaps or overlaps in these situations are not shown. In some cases where two lines converge; e.g., where at one end the two lot lines are within 0.50 feet of each other and at the other end they are within 6.00 feet of each other they may be merged because the average discrepancy is 3 feet or less. Where gaps or overlaps exist in excess of approximately 3 feet in width, they are shown with text notation indicating APPARENT GAP or AREA OF DISCREPANCY.

Washington County Maryland Interactive Parks Map

From the site: "This map includes short descriptions of geologic units and a cross section showing the distribution of geologic units under the earth’s surface. Among other uses, the map will provide users with a better understanding of the distribution, depths and thickness of Marcellus Shale. This map will be especially useful in showing the interplay between geologic formations and groundwater availability and quality.

The map updates geologic information to be consistent with adjacent states, redefines boundaries between formations from the previous maps, and updates the subsurface geologic cross section based on new review of geologic cores and geophysical logs. The geologic information is available to users in Geographic Information System (GIS) format. A printable PDF version is also available. At this time we do not plan to offer a printed version of this map. The map is about 36 inches high by 60 inches wide when printed. If you do not have access to a large-format printer you can take the PDF file to a desktop publisher or office supply store and have it printed.

This product was assembled at a scale of 1:100,000. Using the map or data a smaller scale, such as 1:60,000 or 1:24,000, can result in serious positional errors. All data, information, and maps are provided "as is" without warranty or any representation of accuracy, timeliness of completeness. The burden for determining accuracy, completeness, timeliness, merchantability and fitness for or the appropriateness for use rests solely on the user. Maryland Department of Natural Resources makes no warranties, express or implied, as to the use of the information obtained here. There are no implied warranties of merchantability or fitness for a particular purpose. The user acknowledges and accepts all limitations."

The Atlas of Washington County, published in 2018, is a highly-detailed street atlas that includes streets with block numbers, terrain, rivers and streams, building footprints, schools, hospitals, places of worship, parks, trails, subdivisions, and much more. This atlas was created to take the place of the discontinued ADC Street Map Book. This collection of PDF's is available for download for printing. Please visit Avenzamaps.com for the mobile version.

County boundaries in Eastern Tennessee. This layer was originally obtained from the State of Tennessee.

This 1:100,000-scale geologic map of the Cedar City 30'x 60' quadrangle includes a lithological column, cross section, and correlation chart. This open-file release is a progress report that provides the public with the preliminary results of mapping during the lengthy review process. The map may be incomplete and inconsistencies, errors, and omissions have not been resolved. The map may not conform to UGS policy and editorial standards and it may be premature for an individual or group to take action based on its contents. This resource is available for purchase in CD-ROM and Plot format through the Utah Department of Natural Resources Map and Bookstore. For more information see links provided.

This map allows users to access a variety of survey and survey related information and documents by following various links associated with map features such as Control Points, Public Land Survey Corners, Certificates of Survey, Parcel Maps, and Section Worksheets. Disclaimer The information available on this web site is a compilation of Washington County Records. The Washington County Surveyor's Office is not responsible for inaccuracies or timeliness of any of the information presented on this web site. Alteration of the data on this web is strictly prohibited and could result in penalty under law.

A geologic map showing the distribution of geologic formations in Garret, Allegany, and western Washington Counties, Maryland, scale 1:100,000

Map of Frederick County, Maryland and adjacent areas, showing distribution of geological formations and structural features.

The feature layers presented within this web app are for visualization of the geographic and administrative features pertinent to Grant County, WA. Contact gcgis@grantcountywa.gov with comments or questions on this app.

Map of Washington County, Maryland, showing distribution of geological formations and structural features.

FEMA Framework Basemap datasets comprise six of the seven FGDC themes of geospatial data that are used by most GIS applications (Note: the seventh framework theme, orthographic imagery, is packaged in a separate NFIP Metadata Profile): cadastral, geodetic control, governmental unit, transportation, general structures, hydrography (water areas & lines. These data include an encoding of the geographic extent of the features and a minimal number of attributes needed to identify and describe the features. (Source: Circular A16, p. 13)

Scoggins Dam in northwest Oregon lies within the Gales Creek fault zone (GCF), a northwest-striking system of active faults forming the boundary between the Coast Range and the Tualatin Valley about 25 km east of Portland, Oregon. Geologic mapping published in 2020 shows the dam to lie within a block-faulted releasing stepover between the right-lateral, NW-striking Scoggins Creek and Parsons Creek strands of the GCF. The Scoggins Creek strand is presently mapped beneath the existing dam about 200 m north of the south abutment. Preliminary results from paleoseismic trenching by the U.S. Bureau of Reclamation, Portland State University, and the U.S. Geological Survey indicate that these two major fault strands have had multiple surface rupturing earthquakes in the Holocene. To confirm the accuracy of the 2020 geologic map and the geometry of the GCF in the releasing stepover region, we completed additional geologic mapping of the dam, reservoir, and an alternative dam site downstream between July 2018 and May 2020. Using high-resolution lidar topographic data and satellite imagery on handheld digital tablets, we collected data at ~500 field sites in the heavily forested terrain. We used these detailed field observations to locate and digitally map the main Scoggins Creek and Parsons Creek fault strands, as well as the cross faults linking the two main strands, to produce an improved and more detailed geologic map and cross sections of Scoggins Valley and its existing and proposed dam sites.

Use this web map to link to other geospatial datasets available through county and city sites (Not comprehensive). May need to zoom in to see the participating cities. The county boundaries and city points were published by Washington State agencies and downloaded from geo.wa.gov. Locations are approximate, and no warranties are made regarding this data. The canvas basemap has been compiled by Esri and the ArcGIS user community from a variety of best available sources. Want to have your data site listed? Contact the Geospatial Program Office.

This data was collected by St. Louis County Board of Elections. It is part of a larger collection (Historical St. Louis County Elections), organized by municipality. Faculty in the Department of Political Science at Washington University in St. Louis, Dr. Brian Crisp and Dr. Matt Gabel, digitized the materials at Washington University in St. Louis and agreed with St. Louis County to have the digital copies deposited in the Open Scholarship Digital Research Materials Repository at Washington University to make it more widely accessible.