LoAm — third-party notices

LoAm's own code is MIT (see LICENSE). It bundles no third-party code. It reads
these data at runtime, and ships one derived extract (worlds/*.json):

EARTH
  Elevation: Terrain Tiles, AWS Open Data, built by Mapzen/Tilezen. The full
  attribution block it requires is in the app's help (Data sources and
  licenses) and in ATTRIBUTION.txt inside every export.
  Basemap, place search and boundaries: (c) OpenStreetMap contributors, Open
  Database License (ODbL) 1.0, via the OSMF tile and Nominatim usage policies.

OTHER WORLDS
  Elevation, read by HTTP range from the USGS Astrogeology mosaics on S3
  (asc-pds-services, mosaic/):
    Moon     LRO LOLA global LDEM, 118 m          NASA GSFC
    Mars     MGS MOLA global DEM, 463 m           NASA GSFC
    Mercury  MESSENGER global DEM v2, 665 m       NASA / JHUAPL / USGS
    Venus    Magellan global topography, 4.6 km   NASA / JPL / USGS
    Ceres    Dawn HAMO DTM, 60 ppd                NASA / JPL-Caltech / DLR
    Vesta    Dawn HAMO DTM, 48 ppd                NASA / JPL-Caltech / DLR
    Pluto    New Horizons DEM, 300 m              NASA / JHUAPL / SwRI / LPI
    Charon   New Horizons DEM, 300 m              NASA / JHUAPL / SwRI / LPI
  U.S. federal mission data, in the public domain. Courtesy of NASA and the
  USGS Astrogeology Science Center.
  Basemaps: USGS Astrogeology WMS (planetarymaps.usgs.gov) — LROC WAC, Viking
  MDIM 2.1, MESSENGER MDIS, Magellan, Dawn Framing Camera and New Horizons
  mosaics.
  Sharpened ground (Mars and the Moon), read from the USGS Astrogeology
  analysis-ready bucket (astrogeo-ard) via its STAC catalog, CC0 1.0:
    MRO Context Camera (CTX) stereo DTMs     NASA / JPL / MSSS, USGS Astrogeology
                                             doi:10.5066/P9JKVWR3
    MRO HiRISE stereo DTMs                   University of Arizona, NASA JPL, NASA Ames,
                                             Caltech, Planetary Science Institute
    SELENE (Kaguya) Terrain Camera DTMs      JAXA, processed by USGS Astrogeology
  Each export's ATTRIBUTION.txt names the models laid into it.
  Feature names (worlds/*.json, extracted by _dev/tools/buildgaz.py):
  Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU)
  Working Group for Planetary System Nomenclature (WGPSN) and USGS
  Astrogeology Science Center. https://planetarynames.wr.usgs.gov/