selected publications

• journal article

  • THE FOSSIL LAND SNAIL HELIX-LEIDYI HALL AND MEEK, 1855, A MEMBER OF A NEW GENUS OF HUMBOLDTIANIDAE (GASTROPODA, PULMONATA).  Veliger. 122-132. 1992
  • EARLY OLIGOCENE PALEOVALLEYS IN SOUTHERN AND CENTRAL WYOMING - EVIDENCE OF HIGH LOCAL RELIEF ON THE LATE EOCENE UNCONFORMITY.  Geology (Boulder). 443-446. 1990