Archaeology
- American Anthropological Association
- American Cultural Resources Association
- California Association of Environmental Professionals
- California Office of Historic Preservation
- California Parks and Recreation
- National Association of Environmental Professionals
- San Diego County Archaeological Society
- San Diego Archaeological Center
- Society For California Archaeology
- The Society for Historical Archaeology
- U.S. Bureau of Land Management


Archaeology News
- A city under the sand: The Lost City of Cecil B DeMille
- The US’ 2,000-year-old Mystery Mounds
- Lasers Reveal Massive, 650-Square-Mile Site Hidden beneath Guatemalan Rain Forest
- Archaeologists uncover oldest known projectile points in the Americas
- Archaeologists Dig Up 1,400-Year-Old Native American Canal in Alabama
- Archaeologists digging up artifacts under I-10
- 3,000-year-old dugout canoe found in Wisconsin lake
- Earliest known amputation performed in Borneo 31,000 years ago
- Research Confirms Eastern Wyoming Paleoindian Site as America’s Oldest Mine
- Ghost Tracks of White Sands – Scientists uncovering fossilized footprints in New Mexico desert
Petra Resource Management is a fast-growing company in the field of Cultural Resources Management and is leading the way for quality compliance-oriented research and innovative management-driven solutions to complex environmental resource issues.