Evanston Property Tax Viewer
Dots On A Map #3: circle selector component
dots on a map: video #2 set up mapbox.gl
Laughlin choropleth+hover+popup
Evanston map - popup w more info
Evanston Attendance Maps
Mapbox style; addSource; addLayer
External geojson; addLayer to default Mapbox Streets
Create geojson; add a polygon and circle layer from source