Locations provided by the city to recycle Christmas trees from January 4 through January 18, 2014. For more information, see http://www.cityofchicago.org/city/en/depts/streets/provdrs/streets_san/news/2013/dec/city-of-chicago-to-offer-christmas-tree-recycling-at-23-citywide.html
Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:
curl https://data.splitgraph.com/sql/query/ddn \ -H "Content-Type: application/json" \ -d@-<<EOF {"sql": " SELECT * FROM \"cityofchicago/christmas-tree-recycling-locations-2014-28nh-39r3\".\"christmas_tree_recycling_locations_2014\" LIMIT 100 "} EOF
See the Splitgraph documentation for more information.