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19 datasets found for "Contours"
  • City

    ELEVATION_contours_2021

    City of Austin —

    ELEVATION.contours_2021 Summary The Texas Natural Resources Information System (TNRIS) contracted Sanborn to fly LiDAR in March of 2021. TNRIS then created the...
  • State

    Chesapeake Bay Contours

    State of Maryland —

    Bathymetry for Chesapeake Bay was derived from two hundred ninety-seven surveys containing 3,178,509 soundings. Thirty-five older, less accurate, overlapping surveys...
  • State

    Blue Infrastructure Watersheds

    State of Maryland —

    A subset of watersheds created for the Blue Infrastructure Project (BI) based on the DNR 12 digit watershes as follows; This file (SWSHED12) is a statewide digital...
  • State

    8 Digit Watersheds

    State of Maryland —

    This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate watersheds each with an 8-digit numeric code. The file was created...
  • State

    12 Digit Watersheds

    State of Maryland —

    This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and federal agency use. The watersheds define Strahler (Strahler 1952...
  • State

    Blue Infrastructure Watersheds

    State of Maryland —

    A subset of watersheds created for the Blue Infrastructure Project (BI) based on the DNR 12 digit watershes as follows; This file (SWSHED12) is a statewide digital...
  • City

    Aircraft Noise Climates

    City of San Francisco —

    A. SUMMARY San Francisco International Airport (SFO) keeps track of aircraft noise levels in communities around the airport 24/7. Measured aircraft noise events are...
  • State

    Ocean Shoal

    State of Maryland —

    These are shoal boundaries off the coast of Maryland created by the Maryland Geological Survey (MGS). No formal metadata was received, but MGS describes the data as...
  • State

    Ocean Shoal

    State of Maryland —

    These are shoal boundaries off the coast of Maryland created by the Maryland Geological Survey (MGS). No formal metadata was received, but MGS describes the data as...
  • State

    Federal Watersheds - HUC 11

    State of Maryland —

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have...
  • State

    12 Digit Watersheds

    State of Maryland —

    This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and federal agency use. The watersheds define Strahler (Strahler 1952...
  • City

    Elevation Contours

    City of San Francisco —

    SUMMARY Elevation contours with a five-foot interval for San Francisco mainland and Treasure Island/Yerba Island. Based on San Francisco Elevation Datum.
  • City

    UTILITIESCOMMUNICATION_stormwater_control_drain_area

    City of Austin —

    Storm water control drainage areas were delineated using site plans, elevation contours, aerial photos, and drainage infrastructure GIS. These areas are used in land...
  • State

    Footprint

    State of Maryland —

    Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map depicts...
  • State

    Ocean Contours

    State of Maryland —

    These data represent the results of data collection/processing for a specific Department of Natural Resources, Maryland Geological Survey activity and indicate...
  • State

    Boundary

    State of Maryland —

    Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map depicts...
  • City

    GEOSCIENTIFICINFORMATION.ed_aq_contribute_zone

    City of Austin —

    This layer represents the boundaires of watersheds which have a contributing impact on the Edwards Aquifer.The Edwards Aquifer contributing zones polygon file was...
  • State

    Federal Watersheds - HUC 11

    State of Maryland —

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have...
  • State

    8 Digit Watersheds

    State of Maryland —

    This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate watersheds each with an 8-digit numeric code. The file was created...
19 datasets found for "Contours"

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