A/HC has over 35 years of experience serving public and private sector clients. Our extensive experience in cultural resources management includes archaeological surveys, excavations, NRHP and CRHR significance evaluations, NEPA/CEQA compliance documents, and historical architecture surveys. We also offer a wide range of historical research services, including industrial history, HABS/HAER recording, toxics liability historic studies, and corporate history. We have a strong record of providing research services in support of litigation. We also offer archaeological rock art recording, site management planning, and ethnographic film services. Click on the links to the left to learn more about our experience and expertise.