@misc{indiciaed19e0f7ff6d7,
  title = {Some iron ores of western and central California; The Iron Age iron-ore deposit, near Dale, San Bernardino County, California; Iron ores near Dayton, Nevada; The Jauss iron mine, Dillsburg, Pennsylvania; Deposits of brown iron ore near Dillsburg, York County, Pennsylvania; Preliminary report on Pre-Cambrian geology and iron ores of Llano County, Texas; Survey publications on iron and manganese ores; Survey publications on Aluminum ores-bauxite, cryolite, etc.; Survey publications on asphalt},
  author = {E.C. Harder and J.L. Richards and Arthur Coe Spencer and Sidney Paige},
  year = {1910},
  doi = {10.3133/b430e},
  url = {https://pubs.usgs.gov/publication/b430E},
  note = {Source identifier: b430E}
}