[Cultural Heritage Research Services, Inc. | Home Cultural Heritage Research Services, Inc. (CHRS) has been providing comprehensive archaeological, research, and historic preservation services for more than 30 years. We provide these services to energy, telecommunication, transportation and land development industry groups as well as to Federal, State and Local government agencies, private corporations and other organizations. We offer expertise in archaeology, historic structure survey, evaluation and documentation, historical research, exhibit design, and historic preservation procedures and planning.]