Home Page - The Pennsylvania Society of Land Surveyors is a statewide organization of individuals having an interest in the practice of surveying. The Society is the successor to the Delaware Valley Association of Land Surveyors which was formed by a group of Land Surveyors in private practice in the five county Philadelphia area in June 1967. Inc. - Site Data Imaging, Inc. provides comprehensive land surveying services. Build a survey specific e-commerce web site online or retrieve free software for your existing site. Login here to create a service profile.
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