Ground-water levels in the United States, 1974 : southeastern states

Ижил төстэй зүйлс

• Ground-water levels in the United States, 1971-74 : southeastern states
  -н: United States. Geological Survey
  Хэвлэсэн: (1977)
• Ground-water levels in the United States, 1964-68 : southeastern states
  -н: United States. Geological Survey
  Хэвлэсэн: (1971)
• Ground-water levels in the United States, 1969-73 : southeastern states
  -н: United States. Geological Survey
  Хэвлэсэн: (1975)
• Ground-water levels in the United States, 1971-74 : northwestern states
  -н: United States. Geological Survey
  Хэвлэсэн: (1977)
• Ground-water levels in the United States, 1973-74 : northeastern states
  -н: United States. Geological Survey
  Хэвлэсэн: (1977)