MY LOCAL SKY — U.S. GOVERNMENT-DATA MAP

Original map styling and locally generated vector tiles by My Local Sky.
Roads, water, coastlines, boundaries and place names: U.S. Census Bureau,
2025 TIGER/Line, cartographic boundaries and Gazetteer files.
https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html
TIGER/Line is a registered trademark of the U.S. Census Bureau.
These data were modified and simplified for map display.

Terrain elevations: U.S. Geological Survey, 3D Elevation Program (3DEP).
https://www.usgs.gov/3d-elevation-program
Heights are resampled and encoded into local terrain tiles by My Local Sky.
No OpenStreetMap geometry or Mapzen elevation is used in this independent map.
Surrounding global land and lake outlines: Natural Earth, public domain.
https://www.naturalearthdata.com/about/terms-of-use/
Detailed coverage: all 50 U.S. states and Washington, DC.
Base geography is cached and checked monthly; weather updates are independent.

Satellite option: USDA and USGS, The National Map orthoimagery.

Interactive rendering: MapLibre GL JS, BSD-3-Clause (MAPLIBRE-LICENSE.txt).
Labels: Noto Sans, SIL Open Font License 1.1 (NOTO-OFL.txt).
Font glyph packaging supplied by OpenFreeMap and cached locally.

FALLBACK MAP

The fallback map uses the OpenFreeMap Liberty layer schema and OpenFreeMap symbols.
https://openfreemap.org/ • https://github.com/hyperknot/openfreemap
Map data © OpenStreetMap contributors (ODbL), schema by OpenMapTiles.
https://www.openstreetmap.org/copyright • https://openmaptiles.org/
Terrain elevation: Mapzen Terrain Tiles, hosted by AWS Open Data.
https://registry.opendata.aws/terrain-tiles/
Satellite imagery: USGS The National Map.

The fallback map’s palette, typography hierarchy, flat buildings, elevation shading and
additional labels modify OpenFreeMap Liberty / OSM Liberty (derived from OSM Bright).
Code: BSD-3-Clause. Original style design: CC BY 4.0.
https://github.com/maputnik/osm-liberty • https://creativecommons.org/licenses/by/4.0/
See the accompanying OPENFREEMAP-LICENSE.md and OSM-LIBERTY-LICENSE.md.