IND-01
Civil Engineers
Design-ready base mapping in your CAD standards.
Photogrammetry · Orthophotography · Aerial Photography · GIS
Celebrating 30 Years
Photogrammetric mapping from air to design.
Aerial photography, photogrammetric mapping and digital orthophotography led by Steve Dillon, ASPRS Certified Photogrammetrist #790. Serving engineers, surveyors and agencies from San Bernardino for 30 years.
- Years in business
- Celebrating 30 Years
- Credential
- Steve Dillon · ASPRS Certified Photogrammetrist #790
- Project experience
- Caltrans, Army Corps & municipal projects
01 / Services
Photogrammetric data for design and mapping.
SVC-01
SVC-02Photogrammetric Mapping
Digital topographic and planimetric mapping led by Steve Dillon, ASPRS Certified Photogrammetrist #790.
Learn moreDigital Orthophotography
Black-and-white and color orthophotos from the final DTM, with planimetric-overlay quality checks.
Learn more SVC-03Aerial Photography (B&W, Color & Infrared)
Black-and-white, color and infrared aerial photography using a Wild RC30 camera with image motion compensation.
Learn more SVC-04Aerial Triangulation
Connect overlapping aerial photographs to supplied ground control for consistent photogrammetric mapping.
Learn more SVC-05DTM & DEM
Digital terrain and elevation models for grading, drainage, hydrology and engineering design.
Learn more SVC-06LiDAR Data
LiDAR data for terrain interpretation, elevation analysis and GIS workflows.
Learn more SVC-07GIS & LIS Mapping
City-wide GIS/LIS mapping and municipal base mapping for agencies, engineers and planning teams.
Learn more SVC-08Historical Aerial Photo Archive (1965–present)
A historical aerial photography library from 1965 to present for site research and change detection.
Learn more SVC-09Precision Photogrammetric Scanning
Precision film-to-digital conversion using a Wehrli photogrammetric scanner.
Learn more SVC-10Consulting & Wide-Format Plotting
Photogrammetric consulting, mapping standards, specification review and advanced wide-format plotting.
Learn morePrincipal-led mapping
Mapping is led by Steve Dillon, ASPRS Certified Photogrammetrist #790.
Steve Dillon
ASPRS Certified Photogrammetrist #790 · since 1989
- Caltrans digital mapping project manager
- Helped develop digital orthophotography standards
- City-wide GIS/LIS mapping
Built for engineering-grade deliverables
Terrain and planimetrics
Master DTM, contours and mapped features
National Map Accuracy Standards
Products meet or exceed NMAS
Project coordinates
Control supplied by your surveyor
Stereo and overlay QC
Independent QC review of every stereo model
02 / Who we serve
Built for the teams that design and build Southern California.
IND-02
Land Surveyors
You supply control; we deliver photogrammetric topography and orthophotos.
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Developers
Site planning, terrain data and historical imagery.
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Public Agencies
City-wide GIS/LIS and municipal base mapping.
03 / Why Arrowhead
Precision you can build on.
The photogrammetric mapping partner for surveyors, engineers and agencies — combining aerial photography, digital mapping and documented quality checks.
Independent QC
Independent QC review of every stereo model checks completeness and accuracy.
Planned collection
Flight planning follows the final map scale and contour specifications.
Coordinated deliverables
A master DTM, separate planimetrics and orthophotos built from the final terrain model.
Mapping experience
30 years of photogrammetric mapping for surveyors, engineers and agencies.
04 / Process
From scope to verified deliverables.
- STEP-01
Scope and control
Agree map scale, contours and accuracy; your surveyor supplies field ground control.
- STEP-02
Aerial photography
Plan flights, acquire imagery and check overlap, sidelap, tip and tilt.
- STEP-03
Stereo compilation
Compile terrain and planimetrics, with independent QC review of every stereo model.
- STEP-04
Verified deliverables
Review final CAD in stereo and check orthophotos against planimetric overlays.
Unique resource
Photo archive since 1965
Historical aerial imagery for site research, due diligence and change detection.
05 / Selected project experience
Three decades of mapping experience.
All project experience →Tribal/Recreation
Soboba Indian Reservation
Education
Several Anaheim elementary, middle and high schools
Education
Saddleback College
Water & Drainage/Reclamation
3M Reclamation Temescal Wash
Municipal
City of Industry
Federal
Annual contract for the U.S. Army Corps of Engineers/Navy
Transportation
Eastern Transportation Corridor (Route 241)
Transportation
L.A. Metro Rail
// Request a quote
Have a project on the board?
Send us your plans and schedule. We'll respond with a clear scope, fee and timeline.
Questions or quotes: Jeff Dillon, jeff@arrowheadmapping.com · (909) 889-2420