@misc{indiciae515fabc9ed0b, title = {Thermoluminescence dating procedures in use at the U.S. Geological Survey, Denver, Colorado}, author = {Hugh T. Millard and P.B. Maat}, year = {1994}, doi = {10.3133/ofr94249}, url = {https://pubs.usgs.gov/publication/ofr94249}, note = {Source identifier: ofr94249} }