@misc{indiciae8cf8620b7819, title = {Chapter A: Preface-an Overview of Recent U.S. Geological Survey Research in Industrial Minerals}, author = {James D. Bliss and Phillip R. Moyle and Keith R. Long}, year = {2003}, doi = {10.3133/b2209a}, url = {https://pubs.usgs.gov/publication/b2209A}, note = {Source identifier: b2209A} }