{ "about": "GIS package for /atlas/. One GeoPackage plus a QGIS project, an Esri File Geodatabase and a KMZ. Bytes live in S3, not in git.", "generator": "scripts/build_gis_package.py", "crs": "EPSG:4326", "layers": 36, "features": 22218, "themes": { "archive": "The archive's own records", "base": "Land, water and boundaries", "transport": "Roads, trails and routes", "built": "Buildings, places and structures", "survey": "Public Land Survey and parcels", "geology": "Geology and landforms", "hydrology": "Hydrography and wetlands", "ecology": "Soils, land cover and forest", "protection": "Protected land and heritage", "reference": "Administrative and demographic" }, "redactions": "Parcel owner names and owner mailing addresses removed. Dataset-catalogue records excluded; their source layers ship whole.", "files": [ { "file": "beaver-island-archive.gdb.zip", "bytes": 6715267, "kind": "zip" }, { "file": "beaver-island-archive.gpkg", "bytes": 28889088, "kind": "gpkg" }, { "file": "beaver-island-archive.kmz", "bytes": 206530, "kind": "kmz" }, { "file": "beaver-island-archive.qgz", "bytes": 3783, "kind": "qgz" }, { "file": "beaver-island-dem-1m.tif", "bytes": 460052791, "kind": "tif" }, { "file": "beaver-island-dem-2m.tif", "bytes": 122273906, "kind": "tif" }, { "file": "beaver-island-hillshade-1m.tif", "bytes": 106127328, "kind": "tif" }, { "file": "beaver-island-hillshade-2m.tif", "bytes": 26406367, "kind": "tif" } ], "source_assets": [ "data/demographics/acs_tracts.geojson", "data/federal/gnis/gnis_names.geojson", "data/federal/layers/nhd_flowline.geojson", "data/federal/layers/nhd_waterbody.geojson", "data/federal/layers/nrhp_points.geojson", "data/federal/layers/nrhp_polygons.geojson", "data/federal/layers/nwi_wetlands.geojson", "data/federal/layers/padus_fee_managers.geojson", "data/federal/plss/plss_intersected.geojson", "data/federal/plss/plss_section.geojson", "data/federal/plss/plss_township.geojson", "data/geology/vector/usgs_sgmc_contacts.geojson", "data/geology/vector/usgs_sgmc_lithology.geojson", "data/integrated/gazetteer.geojson", "data/osm/aeroway.geojson", "data/osm/amenities.geojson", "data/osm/boundaries.geojson", "data/osm/buildings.geojson", "data/osm/cemeteries.geojson", "data/osm/historic.geojson", "data/osm/islands.geojson", "data/osm/landuse.geojson", "data/osm/lighthouses_maritime.geojson", "data/osm/natural.geojson", "data/osm/places.geojson", "data/osm/power_utilities.geojson", "data/osm/protected_areas.geojson", "data/osm/roads.geojson", "data/osm/trails.geojson", "data/osm/water.geojson", "data/soils/ssurgo_mapunit_polygons.geojson", "data/soils/ssurgo_mapunit_polygons_mi089.geojson" ], "excluded_layers": [ { "layer": "data/county/charlevoix/parcels_arcgis/2026-08-01/county_parcels.geojson", "verdict": "deny" }, { "layer": "data/county/charlevoix/parcels_arcgis/2026-08-01/island_parcels.geojson", "verdict": "deny" }, { "layer": "data/federal/layers/egle_hydric_soils.geojson", "verdict": "deny" }, { "layer": "data/federal/layers/egle_nwi_2005.geojson", "verdict": "deny" }, { "layer": "data/federal/layers/egle_wetland_restoration.geojson", "verdict": "deny" }, { "layer": "data/federal/usdot_ntad/ferry_routes/beaver-island-transportation-authority-2019.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_aquifer_characteristics_glacial_drift.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_bedrock_geology.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_bedrock_geology_features.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_critical_dune_areas.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_glacial_landsystems.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_glacial_lobe_boundaries.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_quaternary_geology.geojson", "verdict": "deny" }, { "layer": "data/geology/vector/mi_quaternary_geology_features.geojson", "verdict": "deny" }, { "layer": "data/integrated/strang_toponyms.geojson", "verdict": "deny" }, { "layer": "data/research/forest_inventory/indices/mdnr_forest_inventory_island_stands_2026-08-03.geojson", "verdict": "deny" }, { "layer": "data/research/forest_inventory/sources/mdnr_mifi_stand_covertype_query_2026-08-03.geojson", "verdict": "no rights entry" }, { "layer": "data/research/land_cover/crosswalks/glo_explicit_section_context_1847_1849.geojson", "verdict": "deny" }, { "layer": "data/research/wildlife/indices/hog_island_mapped_dune_occurrence_points_2026.geojson", "verdict": "no rights entry" }, { "layer": "data/research/wildlife/indices/north_fox_mapped_dune_occurrence_points_2026.geojson", "verdict": "no rights entry" }, { "layer": "data/research/wildlife/indices/south_fox_mapped_dune_occurrence_points_2026.geojson", "verdict": "no rights entry" }, { "layer": "data/state/michigan/all_roads.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/counties.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/dnr_parcels.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/historical_markers.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/land_cover_circa_1800.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/minor_civil_divisions.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/plss_quarter_quarter.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/plss_sections.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/plss_town_range.geojson", "verdict": "deny" }, { "layer": "data/state/michigan/unincorporated_places.geojson", "verdict": "deny" } ], "layer_table": [ { "layer": "archive_points", "theme": "archive", "theme_title": "The archive's own records", "features": 348, "geometry_type": "Point", "crs": "EPSG:4326", "license": "CC BY 4.0 \u2014 Beaver Island Archive; underlying sources vary, see each record", "source_url": "https://beaverislandarchive.org", "retrieved": "", "source_path": "kb", "notes": "Authored knowledge-base records carrying geometry. `role`, `method` and `confidence` describe how the position was arrived at and how far to trust it; `url` opens the sourced article. Dataset-catalogue records are excluded: each mirrors one row of a reference layer that ships whole in this package." }, { "layer": "archive_lines", "theme": "archive", "theme_title": "The archive's own records", "features": 135, "geometry_type": "LineString, MultiLineString", "crs": "EPSG:4326", "license": "CC BY 4.0 \u2014 Beaver Island Archive; underlying sources vary, see each record", "source_url": "https://beaverislandarchive.org", "retrieved": "", "source_path": "kb", "notes": "Authored knowledge-base records carrying geometry. `role`, `method` and `confidence` describe how the position was arrived at and how far to trust it; `url` opens the sourced article. Dataset-catalogue records are excluded: each mirrors one row of a reference layer that ships whole in this package." }, { "layer": "archive_polygons", "theme": "archive", "theme_title": "The archive's own records", "features": 4, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "CC BY 4.0 \u2014 Beaver Island Archive; underlying sources vary, see each record", "source_url": "https://beaverislandarchive.org", "retrieved": "", "source_path": "kb", "notes": "Authored knowledge-base records carrying geometry. `role`, `method` and `confidence` describe how the position was arrived at and how far to trust it; `url` opens the sourced article. Dataset-catalogue records are excluded: each mirrors one row of a reference layer that ships whole in this package." }, { "layer": "archive_contours_2m", "theme": "archive", "theme_title": "The archive's own records", "features": 16235, "geometry_type": "LineString", "crs": "EPSG:4326", "license": "USGS 3DEP (public domain); contours CC BY 4.0 Beaver Island Archive", "source_url": "https://www.usgs.gov/3d-elevation-program", "retrieved": "", "source_path": "data/federal/usgs_3dep/dem_1m_lidar", "notes": "2 m contours from the 1 m bare-earth LiDAR, generated on a 4 m grid and simplified at 1 m. `index` marks every tenth metre. Elevation is NAVD88 orthometric metres." }, { "layer": "demographics_acs_tracts", "theme": "reference", "theme_title": "Administrative and demographic", "features": 6, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Census Bureau)", "source_url": "https://api.census.gov/data/2023/acs/acs5", "retrieved": "2026-07-29", "source_path": "data/demographics/acs_tracts.geojson", "notes": "ACS 5-year (2023) census tracts intersecting the Beaver Island archipelago. Copied from the geodata library's cache (retrieved 2026-02-28T20:03:57.156849+00:00) rather than re-fetched: the Census Data API now requires an API key and returns an HTML 'Missing Key' page with HTTP 200 without one. Free " }, { "layer": "federal_gnis_gnis_names", "theme": "base", "theme_title": "Land, water and boundaries", "features": 82, "geometry_type": "Point", "crs": "EPSG:4326", "license": "Public domain (U.S. Geological Survey, GNIS)", "source_url": "https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip", "retrieved": "2026-08-02", "source_path": "data/federal/gnis/gnis_names.geojson", "notes": "Official GNIS feature names within the Beaver Island archipelago AOI." }, { "layer": "federal_nhd_flowline", "theme": "hydrology", "theme_title": "Hydrography and wetlands", "features": 57, "geometry_type": "LineString", "crs": "EPSG:4326", "license": "Public domain (U.S. federal government)", "source_url": "https://hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer/6", "retrieved": "2026-07-29", "source_path": "data/federal/layers/nhd_flowline.geojson", "notes": "NHD flowlines \u2014 streams and shoreline drainage" }, { "layer": "federal_nhd_waterbody", "theme": "hydrology", "theme_title": "Hydrography and wetlands", "features": 27, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. federal government)", "source_url": "https://hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer/10", "retrieved": "2026-07-29", "source_path": "data/federal/layers/nhd_waterbody.geojson", "notes": "NHD waterbodies \u2014 inland lakes and ponds" }, { "layer": "federal_nrhp_points", "theme": "protection", "theme_title": "Protected land and heritage", "features": 2, "geometry_type": "Point", "crs": "EPSG:4326", "license": "Public domain (National Park Service)", "source_url": "https://mapservices.nps.gov/arcgis/rest/services/cultural_resources/nrhp_locations/MapServer/0", "retrieved": "2026-07-29", "source_path": "data/federal/layers/nrhp_points.geojson", "notes": "National Register of Historic Places \u2014 point listings" }, { "layer": "federal_nrhp_polygons", "theme": "protection", "theme_title": "Protected land and heritage", "features": 1, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (National Park Service)", "source_url": "https://mapservices.nps.gov/arcgis/rest/services/cultural_resources/nrhp_locations/MapServer/1", "retrieved": "2026-07-29", "source_path": "data/federal/layers/nrhp_polygons.geojson", "notes": "National Register of Historic Places \u2014 polygon listings (districts, stations)" }, { "layer": "federal_nwi_wetlands", "theme": "hydrology", "theme_title": "Hydrography and wetlands", "features": 496, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Fish and Wildlife Service)", "source_url": "https://fwspublicservices.wim.usgs.gov/wetlandsmapservice/rest/services/Wetlands/MapServer/0", "retrieved": "2026-07-29", "source_path": "data/federal/layers/nwi_wetlands.geojson", "notes": "USFWS National Wetlands Inventory \u2014 the modern counterpart to Land Cover Circa 1800" }, { "layer": "federal_padus_fee_managers", "theme": "protection", "theme_title": "Protected land and heritage", "features": 20, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "Public domain (USGS Protected Areas Database)", "source_url": "https://services.arcgis.com/v01gqwM5QqNysAAi/arcgis/rest/services/Fee_Managers_PADUS/FeatureServer/0", "retrieved": "2026-07-29", "source_path": "data/federal/layers/padus_fee_managers.geojson", "notes": "PAD-US protected areas by fee manager \u2014 federal/state/NGO conservation ownership" }, { "layer": "federal_plss_plss_intersected", "theme": "survey", "theme_title": "Public Land Survey and parcels", "features": 1284, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Bureau of Land Management, CadNSDI)", "source_url": "https://gis.blm.gov/arcgis/rest/services/Cadastral/BLM_Natl_PLSS_CadNSDI/MapServer/3", "retrieved": "2026-08-02", "source_path": "data/federal/plss/plss_intersected.geojson", "notes": "BLM National PLSS (CadNSDI). Join key between GLO survey plats, field notes and land patents and their location on the ground." }, { "layer": "federal_plss_plss_section", "theme": "survey", "theme_title": "Public Land Survey and parcels", "features": 147, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Bureau of Land Management, CadNSDI)", "source_url": "https://gis.blm.gov/arcgis/rest/services/Cadastral/BLM_Natl_PLSS_CadNSDI/MapServer/2", "retrieved": "2026-08-02", "source_path": "data/federal/plss/plss_section.geojson", "notes": "BLM National PLSS (CadNSDI). Join key between GLO survey plats, field notes and land patents and their location on the ground." }, { "layer": "federal_plss_plss_township", "theme": "survey", "theme_title": "Public Land Survey and parcels", "features": 16, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Bureau of Land Management, CadNSDI)", "source_url": "https://gis.blm.gov/arcgis/rest/services/Cadastral/BLM_Natl_PLSS_CadNSDI/MapServer/1", "retrieved": "2026-08-02", "source_path": "data/federal/plss/plss_township.geojson", "notes": "BLM National PLSS (CadNSDI). Join key between GLO survey plats, field notes and land patents and their location on the ground." }, { "layer": "geology_usgs_sgmc_contacts", "theme": "geology", "theme_title": "Geology and landforms", "features": 8, "geometry_type": "LineString, MultiLineString", "crs": "EPSG:4326", "license": "Public domain (U.S. Geological Survey)", "source_url": "https://mrdata.usgs.gov/services/wfs/sgmc2?service=WFS&version=2.0.0&request=GetFeature&typenames=ms:Contacts&bbox=45.35,-85.91,45.86,-85.28,urn:ogc:def:crs:EPSG::4326", "retrieved": "2026-08-02", "source_path": "data/geology/vector/usgs_sgmc_contacts.geojson", "notes": "USGS SGMC ms:Contacts in the AOI, converted from the service's GML output." }, { "layer": "geology_usgs_sgmc_lithology", "theme": "geology", "theme_title": "Geology and landforms", "features": 8, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "Public domain (U.S. Geological Survey)", "source_url": "https://mrdata.usgs.gov/services/wfs/sgmc2?service=WFS&version=2.0.0&request=GetFeature&typenames=ms:Lithology&bbox=45.35,-85.91,45.86,-85.28,urn:ogc:def:crs:EPSG::4326", "retrieved": "2026-08-02", "source_path": "data/geology/vector/usgs_sgmc_lithology.geojson", "notes": "USGS SGMC ms:Lithology in the AOI, converted from the service's GML output." }, { "layer": "integrated_gazetteer", "theme": "base", "theme_title": "Land, water and boundaries", "features": 242, "geometry_type": "Point", "crs": "EPSG:4326", "license": "Mixed \u2014 see contributing source provenance; OSM portions ODbL", "source_url": "(derived)", "retrieved": "2026-08-02", "source_path": "data/integrated/gazetteer.geojson", "notes": "Fused place-name gazetteer: GNIS official and variant names, named OSM features, and National Register listings, classified by historical era. Derived from data/ by beaver_island_history.integrate.build_gazetteer; not an independent source." }, { "layer": "osm_aeroway", "theme": "transport", "theme_title": "Roads, trails and routes", "features": 37, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/aeroway.geojson", "notes": "Airports and airstrips (Beaver Island Airport, Welke Airport). Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_amenities", "theme": "built", "theme_title": "Buildings, places and structures", "features": 88, "geometry_type": "LineString, MultiPolygon, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/amenities.geojson", "notes": "Civic and visitor amenities: schools, churches, museums, shops, lodging, food. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_boundaries", "theme": "reference", "theme_title": "Administrative and demographic", "features": 6, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/boundaries.geojson", "notes": "Administrative boundaries (townships, county). Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_buildings", "theme": "built", "theme_title": "Buildings, places and structures", "features": 955, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/buildings.geojson", "notes": "Building footprints. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_cemeteries", "theme": "built", "theme_title": "Buildings, places and structures", "features": 3, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/cemeteries.geojson", "notes": "Cemeteries and burial grounds \u2014 key genealogical/settlement evidence. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_historic", "theme": "built", "theme_title": "Buildings, places and structures", "features": 14, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/historic.geojson", "notes": "Historic sites, ruins, memorials, monuments, wrecks and archaeological sites. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_islands", "theme": "base", "theme_title": "Land, water and boundaries", "features": 17, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/islands.geojson", "notes": "Island and islet polygons for the whole archipelago. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_landuse", "theme": "base", "theme_title": "Land, water and boundaries", "features": 57, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/landuse.geojson", "notes": "Land use polygons: forest, farmland, residential, quarry, military, etc.. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_lighthouses_maritime", "theme": "built", "theme_title": "Buildings, places and structures", "features": 64, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/lighthouses_maritime.geojson", "notes": "Lighthouses, beacons, piers, docks, breakwaters and seamarks. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_natural", "theme": "base", "theme_title": "Land, water and boundaries", "features": 439, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/natural.geojson", "notes": "Natural cover: woods, wetlands, beaches, dunes, scrub, bare rock, capes. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_places", "theme": "built", "theme_title": "Buildings, places and structures", "features": 5, "geometry_type": "Point", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/places.geojson", "notes": "Populated places, localities and named points. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_power_utilities", "theme": "built", "theme_title": "Buildings, places and structures", "features": 8, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/power_utilities.geojson", "notes": "Power and utility infrastructure. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_protected_areas", "theme": "protection", "theme_title": "Protected land and heritage", "features": 20, "geometry_type": "MultiPolygon, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/protected_areas.geojson", "notes": "State/federal preserves, nature reserves, parks and protected land. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_roads", "theme": "transport", "theme_title": "Roads, trails and routes", "features": 414, "geometry_type": "LineString", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/roads.geojson", "notes": "All mapped road centerlines. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_trails", "theme": "transport", "theme_title": "Roads, trails and routes", "features": 139, "geometry_type": "LineString", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/trails.geojson", "notes": "Foot, hiking and unpaved trails, including the Beaver Island trail network. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "osm_water", "theme": "base", "theme_title": "Land, water and boundaries", "features": 225, "geometry_type": "LineString, Point, Polygon", "crs": "EPSG:4326", "license": "ODbL 1.0 \u2014 \u00a9 OpenStreetMap contributors", "source_url": "https://overpass-api.de/api/interpreter", "retrieved": "2026-08-02", "source_path": "data/osm/water.geojson", "notes": "Inland lakes, ponds, streams, bays and coastline. Snapshot of OpenStreetMap via Overpass API." }, { "layer": "soils_ssurgo_mapunit_polygons", "theme": "ecology", "theme_title": "Soils, land cover and forest", "features": 553, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (USDA Natural Resources Conservation Service)", "source_url": "https://sdmdataaccess.sc.egov.usda.gov/Tabular/post.rest", "retrieved": "2026-08-02", "source_path": "data/soils/ssurgo_mapunit_polygons.geojson", "notes": "SSURGO soil map-unit polygons intersecting the stated collection frame, joined to map-unit names. County survey MI029." }, { "layer": "soils_ssurgo_mapunit_polygons_mi089", "theme": "ecology", "theme_title": "Soils, land cover and forest", "features": 56, "geometry_type": "Polygon", "crs": "EPSG:4326", "license": "Public domain (USDA Natural Resources Conservation Service)", "source_url": "https://sdmdataaccess.sc.egov.usda.gov/Tabular/post.rest", "retrieved": "2026-08-02", "source_path": "data/soils/ssurgo_mapunit_polygons_mi089.geojson", "notes": "SSURGO soil map-unit polygons intersecting the stated collection frame, joined to map-unit names. County survey MI089." } ] }