Client-oriented professionals meeting
compliance needs in archaeology,
history, and environmental studies.


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    Archaeological Excavation

    Archaeological excavations occur in three main phases: Survey, Site Testing & Evaluation, and Data Recovery

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    Archaeological Monitoring

    When there is a possibility of a project destroying or disturbing cultural remains, state and federal laws require that the work be monitored by an archaeologist to prevent damage to potential historic or prehistoric sites.

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    Historic Structures

    Some compliance requirements may call for evaluation of historic standing structures or engineering features.

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    Archaeological Survey

    The purpose of archaeological survey is to locate, delineate, and determine the eligibility status of archaeological sites for the National Register of Historic Places.


Serving the defense, energy, land development, construction, forestry, communication, and transportation industries for over 30 years

Prentice Thomas & Associates, Inc. (PTA) was established by Dr. Prentice M. Thomas in 1977 (then referred to as New World Research) to provide a range of archaeological and cultural resource management (CRM) services to a wide range of clientele. Since 1977, PTA has conducted over 1400 archaeological projects in Florida, Louisiana, Mississippi, Georgia, and other locations in the United States; responding to our nation’s goal of preserving its diverse historical and cultural values by integrating exciting research with compliance work and providing timely and cost-effective services in CRM and historic preservation.

About Us

Read about the history of PTA and learn more about our areas of expertise.



A wide range of services and specializing in cultural resource management services.



Because we offer such a large variety of services we often get asked what is it exactly that we do.



Read more about recent news and events as well as upcoming events of interest.


From the Blog

Hospital construction resumes after discovery of human remains - Florida Hospital DeLand is resuming construction on a new medical building nearly a year after workers uncovered human remains. An archaeological firm hired by the hospital found graves dating sometime from the late 1890s to the 1950s on the hospital’s property. The burial site is thought to be linked to what is referred to in […]
Construction on Hospital Expansion Resumes - DELAND, Fla., June 23, 2015 – When human remains were unearthed during construction on Florida Hospital DeLand’s cardiac catheterization lab expansion last summer, construction was halted. Recently, construction has resumed and is expected to be completed next month. In June 2014, the hospital broke ground on a $3.5 million addition to enhance the facility’s cardiac […]
Mystery human remains to be buried on land donated by Florida Hospital - VOLUSIA COUNTY, Fla. — Florida Hospital is donating land to become the new resting place for the mystery human remains found on their construction site in DeLand. While investigators weren’t able to identify the remains or reach out to their families, they did learn a lot more about why the remains were there. Hector DeJesus […]