[Add source] Grand Junction, CO, USA

[hamtron5000]

Note: we only want databases that are:

• the product of on-the-ground tree surveying (not aerial imagery),
• open data
• not duplicating another source of data already included

• Name of town/city/whatever: Grand Junction, Colorado, United States
• Page with information about the dataset: https://gjcitygis.maps.arcgis.com/apps/dashboards/9af3dcaf0a5249559b368022af83727f
• URL that directly downloads the dataset: https://gj-city-data-portal-gjcitygis.hub.arcgis.com/datasets/cef93c83233749eb9265914aca06b35c_1/explore?showTable=true
• Dataset format (should be CSV, GeoJSON or zipped Shapefile): CSV, GeoJSON
• Country: United States
• Important fields (if not in English/French - especially height, diameter, crown width):