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Based in Boulder, Colorado, the Indian Peaks Chapter, Colorado Archaeological Society (IPCAS) has been promoting and participating in Colorado Archaeology for twenty-five years. We organize a series of lectures, host field trips, provide volunteer opportunities, and publish a monthly newsletter, The Calumet.

We sponsor ten lectures per year on a variety of topics ranging from edible wild foods to Pleistocene bone assemblages.  Lectures are free and open to the public.

Each summer we make available to Colorado Archaeologists hundreds of hours of our skilled volunteer labor, on projects such as Caribou Lake, Devil’s Thumb, Pawnee Grasslands, Comanche Creek and many others, run by a wide variety of institutions, agencies and individuals.

We sponsor PAAC Archaeology classes run by the state Office of Archaeology and Historic Preservation.

Members go on field trips to a wide variety of places including Rocky Mountain National Park, Chaco Canyons, Lamb Springs Preserve, the Lindenmeier Site, and History Colorado.