TY - RPRT TI - Preliminary non-fuel mineral resource assessment of Afghanistan 2007 AU - Stephen G. Peters AU - Stephen Ludington AU - Greta J. Orris AU - David M. Sutphin AU - James D. Bliss AU - James J. Rytuba PY - 2007 DO - 10.3133/ofr20071214 UR - https://pubs.usgs.gov/publication/ofr20071214 ID - ofr20071214 ER -