Make sure you're next surveying project benefits from our boundary and construction surveying skill sets. The team at Leland MacDonald & Associates, LLC provides the accuracy and detail you require for a successful project. Taking care of certain surveying requirements now will save you time and effort later. This includes ensuring that accurate topographic
Licensed in both Oregon, Washington and California TerraCalc offers our clients all the benefits of 60 years combined construction survey experience and over 40 years of working with earthmoving contractors and their GPS & Robotically guided excavation equipment.
We offer user based technical support and troubleshooting for your Trimble GPS Systems