Sidewalk & Trails Master Plan
A citywide map of designated centers, paths, and trails for Millcreek, recognized as an Esri User Conference Virtual Map Gallery finalist.
PlanningSidewalks & trailsFinalist
Selected work
Projects
Explore the finalist maps, Western Water Dashboard, and the 30 Day Map Challenge. More applications and map studies follow.
Featured work
Future Land Use - Millcreek, Utah
A General Plan future land use map for Millcreek, Utah, recognized as an Esri User Conference Virtual Map Gallery finalist.
PlanningLand usePublic mapFinalist
Western Water Dashboard
Reservoir storage, mountain snow, and drought for eleven western states, in one ArcGIS Maps SDK for JavaScript 5.1 application. It covers 404 reservoirs, 639 snow measurement sites, and 75 drainage areas. A Python pipeline rebuilds the data each morning through GitHub Actions. Most of the code was written by AI agents under written rules, with human review on every change.
ArcGIS Maps SDK for JS 5.1ArcGIS chartsPython pipelineAgentic AI
Read the post · View the live dashboard · See the system atlas · Read the earlier note
Explore the current 30 Day Map Challenge collection →
Applications
Millcreek Planning Map
The public planning and zoning map, rebuilt on the ArcGIS Maps SDK for JavaScript with Nearmap imagery.
ArcGIS Maps SDK for JSCalciteNearmapPlanning
Millcreek Property Lookup
Zoning, hazard, and district facts for a property, as text. No map, mouse, or vision needed.
AccessibilityWCAG 2.1 AA targetJavaScriptPlanning
UGEM Hub
The emergency management GIS site for Utah. Placeholder pages became working guides, and every page and link was checked.
ArcGIS HubEmergency managementContent reviewAccessibility
Maps and analysis
Millcreek Redistricting
The ArcGIS workflow for Millcreek's 2022 City Council redistricting: three public proposals, a StoryMap and Survey123 feedback process, and 177 resident responses. The adopted map reunited a split community.
RedistrictingPublic engagementStoryMaps
WUI Boundary Mapping
A conference presentation that gives other Utah local governments a workflow for Wildland-Urban Interface boundary mapping under HB 48 and HB 41.
WUIPolicyLocal government
Alcohol Spacing Regulations
A zoning map and public web app for Millcreek's alcohol establishment spacing requirements. A QR code on the printed map links to the app.
ZoningWeb appPublic tool
Polygon Neighbor Coloring
An ArcPy script that gives a different color to each adjacent polygon. Built for parcel, district, and boundary maps.
PythonArcPyAutomation
30 Day Map Challenge, 2026
30 Day Map Challenge
Reservoirs, drought, river systems, wildfire starts, and precipitation. Open a map to read about its data and method.
Western Reservoir Storage
Monthly reservoir storage, replayed over the Western Water Dashboard’s ArcGIS basemap.
Two Lakes, Two River Systems
Two lakes as lines, then two river systems drawn as lines instead of maps.
Drought in 75 Western Basins
The weekly drought map across western drainage basins, then ten years of drought, basin by basin.
Utah Wildfire Starts by Cause
Natural and human-caused wildfire starts in Utah, as dots, as density, and on one combined map.
October Precipitation in the Four Corners
Daily October precipitation at 111 mountain stations, drawn over the dashboard’s ArcGIS basemap.
30 Day Map Challenge, 2024
Selected maps from the 2024 30 Day Map Challenge
Twelve Utah maps from the 2024 challenge, each made for one of its daily themes. They range from simple point geometry to an AI experiment kept for what it gets wrong.
Utah Dark-Sky Points
Utah's International Dark-Sky Parks, mapped as points to open the challenge.
Utah Scenic Byways
All 27 of Utah's Scenic Byways, 1,893.84 miles, individually symbolized with ArcPy.
Utah Government Land Ownership
Government land ownership across Utah, federal and state trust lands, in Esri's "Firefly" style and color-matched to SITLA's reference map.
Utah Population Hexagons
Census 2020 population summed into a 50-square-mile hexagon grid, extruded and colored by density so every part of the state compares the same way.
Old Spanish Trail
The Utah segment of the Old Spanish National Historic Trail, from historic site to historic site.
Raster Terrain Study
An Imhof-style hillshade of Utah built on Esri's Terrain Service, after John Nelson's modern version of classic relief shading.
Vintage Atlas Style
Utah's urban areas and rivers, styled after an 1854 atlas via Esri's Physical Atlas style.
Utah Localities via HDX
Utah's populated places, built from a global humanitarian locality dataset.
AI-Generated Fictional Map
A ChatGPT-generated "map" of fictional Utah water resources, kept for what it gets wrong.
Utah Counties, Pen & Paper
Utah's counties and county seats, styled to look hand-drawn.
Avalanche Paths
A 3D map of avalanche activity in Little Cottonwood Canyon, in cool Arctic colors.
Utah Time and Space
Mule deer migration corridors and stopover habitats across the Paunsaugunt Plateau.