Lamb Spring Archaeological Preserve (LSAP) is designated a 501(c)3 organization according to the Internal Revenue Service.  The LSAP Board of Directors represents the governing body charged exclusively with orchestrating the charitable, educational, and scientific operations for the Preserve.  In addition, the Board actively pursues the development of an on-site interpretative center aimed at furthering research and learning at both the regional and national level.  Donations to LSAP will be specifically used to achieve the aforementioned activities and goals.

Nathan D. Boyless


Nathan Boyless is the President and General Manager of Metcalf Archaeological Consultants, Inc. headquartered in Golden, CO.  Mr. Boyless earned his B.A. in Anthropology from Northern Arizona University in 2003 and his Master of Business Administration from the Eller College of Management at the University of Arizona in 2008.  In 2010, Mr. Boyless earned a professional certificate in Executive Leadership and Management from the Mendoza College of Business at the University of Notre Dame.  His professional experience includes employment as an archaeologist for the National Forest Service and private consulting firms.  He currently serves on the Board of Directors for the American Cultural Resources Association and the Gas and Preservation Partnership. In 2016, he will serve as President for the Colorado Council of Professional Archaeologists.

Harold Smethills


Harold Smethills is the Founder of Hill Equities, LLC a private investment company. Mr. Smethills currently is Managing Director of the Sterling Ranch, LLC project. He received his Juris Doctor, Master of Business Administration and B.S. in Business Administration – Finance from the University of Denver. Mr. Smethills has served as President and/or CEO of several large public and private manufacturing companies. He currently serves as Chair of the Wings Over the Rockies Museum and the American Studies Institute.

Erik M. Jensen

Vice President

Erik Jensen is the President and General Manager of Castle Rock Construction Company of Colorado, LLC. Over the past 25 years, Mr. Jensen has been an active leader in many significant organizations and capacities, including the Parker Economic Development Council Board of Directors, President of the Colorado Contractors Association, President of the Colorado Concrete Paving Association, President of the Colorado Driving Society, The Colorado Horse Park Board of Directors and the Parker Chamber of Commerce. Mr. Jensen holds a B.E. Mechanical Engineering from Yale University.

Amy Sherman


Amy Sherman is the President of the Northwest Douglas County Economic Development Corporation, an organization that covers Roxborough, Sterling Ranch, Santa Fe Corridor, and western Highlands Ranch. The organization is focused on infrastructure improvements, public policy, and marketing of the region as a premier place to locate or expand a business. Ms. Sherman earned a degree in Communications and Psychology from the University of Kansas and is a graduate of the Institute for Organizational Management, Colorado College. For over 15 years, Ms. Sherman has served on several community and business boards.

Susan M. Collins, Ph.D.


Susan Collins held the position of State Archaeologist and Deputy State Historic Preservation Officer, serving on the senior management team of History Colorado, the State Historical Society of Colorado, for over twenty years. Dr. Collins earned her B.A., M.A., and Ph.D. degrees with a major in anthropology and minors in geography and museum studies at the University of Colorado, with additional field training through the University of New Mexico and the University of Missouri. Her accomplishments include strengthening the practice of archaeology of the historic era, facilitating participation by Native Americans in management of their heritage resources, extending the reach of local preservation programs through educational outreach and regulation, and improving the State of Colorado’s cultural resource database. While most of her fieldwork centers on the Southwest and the Rocky Mountains, she has experience in the archaeology of the Northwest Coast and the eastern Woodlands. Dr. Collins held faculty appointments at the University of Colorado, Western Carolina University, and Colorado State University, and worked as a Program Director for the Pueblo of Zuni. She has traveled extensively, particularly in subarctic areas. In her retirement, she currently serves on the Board of Trustees for the Boulder History Museum and the Board of Directors for the Lamb Spring Archaeological Preserve.

E. James Dixon, Ph.D.


Jim Dixon currently serves as Director of the Maxwell Museum of Anthropology, and Professor of Archaeology at the University of New Mexico. Dr. Dixon holds a Ph.D. in Anthropology from Brown University, a M.A. in Anthropology from the University of Alaska and B.A. in Anthropology from the University of Alaska. Dr. Dixon served as the Curator of Museum and Field Studies and a Professor of Anthropology at the University of Colorado at Boulder, a Fellow (Senior Research Scientist) at the Institute of Artic and Alpine Research, and a Research Associate at the Denver Museum of Nature and Science. Dr. Dixon’s research interests focus on High Latitude/High Altitude Human Adaptations, Circumpolar and Paleoindian Archaeology, Quaternary Science and Geoarchaeology. He has been active in archaeological and paleoecological research since 1967, and has administered many research grants and contracts including grants from the National Science Foundation and the National Geographic Society. Dr. Dixon was a cofounder of the Alaska Quaternary Center and served as Director between 1992 and 1993. He was Curator of Archaeology at the Denver Museum of Nature and Science from 1998 to 2001. He has extensive experience in North American archaeology, particularly focusing on the human colonization and early cultural development of the Americas.

Craig Lee, Ph.D.


Craig Lee is the Research Director and a Principal Investigator with Metcalf Archaeological Consultants, Inc. in Golden, Colorado. Dr. Lee received a Ph.D. in Anthropology from the University of Colorado in 2007, a M.A. in Anthropology from the University of Wyoming in 2001 and a B.A. in Anthropology from Montana State University in 1996. In addition to his experience with Metcalf Archaeological Consultants, Inc., he has worked for federal and state agencies, including the Bureau of Land Management and the Wyoming State Historic Preservation Office. Dr. Lee has also directed field projects in Alaska, Colorado, Montana, and Wyoming, and presented dozens of professional papers at international, national and regional conferences. He has published over 10 articles in peer reviewed journals, including American Antiquity and The Holocene.

Maxine E. McBrinn, Ph.D.


Maxine McBrinn is the Curator of Archaeology at the Museum of Indian Arts and Culture in Santa Fe, NM. Dr. McBrinn earned her M.A. and Ph.D. in Anthropology at the University of Colorado, Boulder and also has a B.S. and a M.A. in Physics from the University of Texas at Austin. She has five years professional experience in museums, including three years at the Field Museum in Chicago and two at the Denver Museum of Nature and Science. Much of her DMNS research, conducted with Dr. E. James Dixon, focused on the Lamb Spring site. In addition, Maxine has conducted field research in Wyoming, Colorado, Texas, and New Mexico, where she and her former colleague, Jonathan Kent, had an on-going field project near Taos. Her research focus is on hunters and gatherers, social identity, and the transition to early agriculture. A technical specialty is archaeological textiles and basketry. Dr. McBrinn and Linda Cordell wrote a textbook on southwestern archaeology currently available to interested readers.

Barbara Page, DVM


Barbara Page owns and operates the Colorado Equine Clinic Equine hospital and specializes in lameness and foot conditions. In 1977, Dr. Page received her Doctorate in Veterinary Medicine from Colorado State University School of Veterinary Medicine and earned further certification as a chiropractor in 2004. Founded by Dr. Page in 1994, the Equine Wellness Foundation, a non-profit dedicated to education and research, supports her research published in peer-reviewed journals. She has served as president of the Denver Area Veterinary Medical Association and served on committees of the American Veterinary Medical Association (AVMA) and the American Association of Equine Practitioners (AAEP).

Dennis Stanford, Ph.D.


Dennis Stanford serves as the Curator of North and South American Paleolithic, Asian Paleolithic and Western United States archaeological collections and serves as Director of the Smithsonian’s Paleoindian/Paleoecology Program. Dr. Stanford received a B.A. from the University of Wyoming and a M.A. and Ph.D. from the University of New Mexico. In 1992-2000, he served as the Chairman of the Department of Anthropology, and is currently the Head of the Division of Archaeology. Principally, he conducts fieldwork and research on Paleoindian archaeology throughout the Americas with special attention to human-environmental interactions and material culture; produces exhibitions and public programs; prepares scholarly and popular publications, and films; serves as advisor for graduate and Ph.D. students and instructs undergraduates, interns, and volunteers in field and laboratory work.