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

Third Annual March of Museums- The March of Museums is underway in Florida for it’s third year. It was started off with Secretary of State Laurel M. Lee inviting the public to visit museums in Florida starting March 1, 2019 “Florida’s museums enhance the quality of life in our state by providing opportunities for learning and cultural enrichment as well as […]
FPAN in Northwest Florida offering STAMP Workshop- Shipwreck Tagging Archaeological Management Program (STAMP) Workshop   Time: 9:00 am til 2:00 pm Location: Fort Pickens Discovery Center, 1400 Fort Pickens Road, Pensacola Beach, FL Description: The Shipwreck Tagging and Archaeological Management Program (STAMP) is a public engagement program focused on documenting and monitoring shipwreck sites and disarticulated shipwreck timbers along Florida’s coasts. Join Florida Public Archaeology […]
Volunteering Time and Skills- PTA field director Nate Mountjoy volunteered his time and services during an investigation of exposed artifacts from a drained lake in Vernon Parish, Louisiana. Accompanyed by Johnny Guy who is the president of the West Louisiana Archaeology Club and leading the investigation, and  Dr. Joseph B. Mountjoy of Universidad de Guadalajara (Mexico), Nate was able to assist by […]