Erik Ohlson & Associates

Erik Ohlson & Associates A scrapbook of my survey adventures. Erik Ohlson & Associates is a full service land survey company that serves all of Central and Northern California.

With nearly a century of combined experience in all aspects of land surveying, we have the skills and capability to handle most any project, large or small. Erik Ohlson & Associates specializes in those difficult projects that require an innovative approach to achieve the desired results within budget. Our background includes civil, environmental, and water resources engineering, so we know what d

ata you need for your project and won't waste time and budget on the data you don't. Give us a call to discuss the special requirements of your project and get a free consultation and cost estimate of what it will take to get the job done.

This was my very first landfill aerial survey in 2007. Back then I did all the ground work, and hired an airplane and ph...
06/11/2026

This was my very first landfill aerial survey in 2007. Back then I did all the ground work, and hired an airplane and photogrammetrist to generate the topo. It was also my first aerial drone topo in 2018, when I started doing it all myself from start to finish. Plus it was my dad's favorite landfill 😞 RIP Foothill Landfill, my old friend.

They banned plastic straws and grocery bags, yet landfills are filling up faster than ever. WTF?
06/08/2026

They banned plastic straws and grocery bags, yet landfills are filling up faster than ever. WTF?

A sketchy day to be in the air, with rain just over yonder. Still came home with the goods 😎
05/28/2026

A sketchy day to be in the air, with rain just over yonder. Still came home with the goods 😎

It's that dam time of year again.
05/24/2026

It's that dam time of year again.

This tragedy hits close to home. I have been involved with this project since day one. My thoughts and prayers are with ...
04/16/2026

This tragedy hits close to home. I have been involved with this project since day one. My thoughts and prayers are with all of my friends and colleagues at Provost & Pritchard and Drill Tech. Rest in peace Twyla 💔

https://gofund.me/2ea169161

The name of the woman who tragically died at a construction site on Tuesday near Knights Ferry has been confirmed by officials.

Freedom! Next Exit 🇺🇸
03/12/2026

Freedom! Next Exit 🇺🇸

Friday fly day
02/28/2026

Friday fly day

Same owner, same consultant as the everlasting gobstopper, but different site. I've only been to this one about six time...
01/15/2026

Same owner, same consultant as the everlasting gobstopper, but different site. I've only been to this one about six times. Not my oldest client, but one of them - 15 years.

The key to success. It's not that hard.
01/10/2026

The key to success. It's not that hard.

This job has been the everlasting gobstopper. Twelve trips in the last fourteen years, six in the last six months. Sever...
01/10/2026

This job has been the everlasting gobstopper. Twelve trips in the last fourteen years, six in the last six months. Several iterations of owners and consultants, but still the same surveyor 💪

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Columbia, CA

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