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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... -
City
Seattle Shoreline
City of Seattle —
The shoreline essentially follows the 8 foot contour line, except where the ortho offered further clarification. That 8 foot contour line matches closest to what... -
State
Lake Bathymetry Contours Lines
State of Connecticut —
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also... -
State
NVCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
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... -
City
ECA - Steep Slope
City of Seattle —
Displays areas with 40% steep slope or greater in the City of Seattle. A polygon feature class showing areas with an incline of 40% or more (10 feet of vertical rise... -
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
MetroCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
State
2023 Connecticut 5' Contours (beta)
State of Connecticut —
Source: 1 foot contours were generated for each production block from the final bare earth DEMs using ArcGIS software. Using ArcGIS software, the contours were... -
State
WestCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
State
Lake Bathymetry Contours Polygon
State of Connecticut —
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also... -
City
ECA - Liquefaction Prone Area
City of Seattle —
Displays areas with liquefaction zones. A polygon feature class that shows liquefaction zones. Used to implement and regulate the City of Seattle's Environmentally... -
State
NECCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
City
Contours 5ft 2021 Tolt River Watershed
City of Seattle —
Tolt River watershed area 5ft contours derived from Lidar captured in 2021. Contour lines display at 5ft, 25ft, 50ft, 100ft, 200ft and 400ft intervals dependent on... -
State
NHCOG
State of Connecticut —
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All... -
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
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...