feature image Photo Credit: OpenStreetMap Contributors
Clifford Snow bio photo

Clifford Snow

Clifford is described as an OpenStreetMap Supper Mapper. He started contributing to OSM in May 2011. Hosts OpenStreetMap-Central-Salish-Sea Meetup Group located in Mount Vernon, WA. He help organize the 2016 State of the Map US in Seattle. His prior endeavors include glassblowing, managing an art center facility and telecom management.

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Mapping Sidewalks a HowTo

Detailed instructions on how to map sidewalks, curbs, crosswalks, etc. for pedestrian routing

Declarative Partition Postgresql 10

Steps to convert an existing table to a declarative partition in Postgresql 10

Creating a USFS Roads Background Layer for JOSM in Mapbox

This article explores my learning how to create a background layer in Mapbox for use in JOSM.

Rasar State Park

trails in rasar state park

Running Missing Maps Mapathons

Lessons Learned from running Mapathons for Missing Maps