http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bulletin 631. The Yukon-Koyukuk region, Alaska
Geological Survey bulletin 631; Yukon-Koyukuk region, Alaska
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Dec. 2009). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection