History of Saginaw County, Michigan ... ; History of Michigan ....

Includes index.

Memoirs of Delvine : a brief account of the Roman occupation of Delvine or Inchtuthill in the county of Perth /

Mode of access: Internet.

Availability and quality of ground water in the Lake George area, southeastern Park County, Colorado /

Issued July 1978.

Experimental salinity alleviation at Malaga Bend of the Pecos River, Eddy County, New Mexico /

"December 1979."