Heulandite Subgroup from Alaska, USA
USA | |
| (2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey |
| (2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey |
| June 1997 v. 35 no. 3 p. 691-698 |
| June 1997 v. 35 no. 3 p. 691-698 |
June 1997 v. 35 no. 3 p. 691-698 |