Augite from Warren County, New Jersey, USA
USA | |
| Rutgers Univ. Bull. #5, Pt 1:26. |
| NJ State Geol. Ann. Rpt. (1900):178. |
| Rutgers Univ. Bull #5, Pt1:40-41. |
| William Shirley Bayley (1941) Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania. USGS Bulletin 920 The Iron Mines of NJ (1910), Bayley:211. |
| The Iron Mines of NJ (1910), Bayley:259. |