@misc{indiciae047bd8b6b6fb, title = {The source of hydrothermal solutions at Puerto Maunabo and its bearing on the base-metal-potassium feldspar association in Puerto Rico}, author = {M. H. Pease}, year = {1976}, url = {https://pubs.usgs.gov/publication/70162513}, note = {Source identifier: 70162513} }