Latest issue consulted: Jan. 1986.Description based on: Jan. 1981.Each issue covers the previous calendar year.Mode of access: Internet
Latest issue consulted: Jan.-June 1980.Title from cover.Mode of access: Internet
"December 1971."Includes bibliographical references (p. 23-26).Mode of access: Internet
Title from caption.Jan. issue is an annual summary of the previous year.Mode of access: Internet
"August 1980.""Great Lakes Environmental Research Laboratory."Bibliography: p. 106.Mode of access: I...
"August 1981."At head of title: Great Lakes Basin Plan.Bibliography: p. 18.Mode of access: Internet
At head of title: International Field Year for the Great Lakes.Some volumes issued out of chronologi...
"November 1984."Distributed to depository libraries in microfiche.Bibliography: p. 34-35.Mode of acc...
For later file, see: Lake Survey Center. Great Lakes pilot.Title varies: 1954-70, Great Lakes pilot....
Description based on: No. 46 (Fall 1981); title from cover.Mode of access: Internet
Chiefly tables."May 1986."Distributed to depository libraries in microfiche.Bibliography: p. 9-10.Mo...
Distributed to depository libraries in microfiche."July 1983."Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (page 15).Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (pages 39-41).Mode of access: Interne...
Extract from the 18th annual report of the U. S. Geological survey, 1896-97, pt. II.Mode of access: ...
"June 1978."Cover title.Includes bibliographical references (pages 44-48).Mode of access: Internet
Latest issue consulted: Jan.-June 1980.Title from cover.Mode of access: Internet
"December 1971."Includes bibliographical references (p. 23-26).Mode of access: Internet
Title from caption.Jan. issue is an annual summary of the previous year.Mode of access: Internet
"August 1980.""Great Lakes Environmental Research Laboratory."Bibliography: p. 106.Mode of access: I...
"August 1981."At head of title: Great Lakes Basin Plan.Bibliography: p. 18.Mode of access: Internet
At head of title: International Field Year for the Great Lakes.Some volumes issued out of chronologi...
"November 1984."Distributed to depository libraries in microfiche.Bibliography: p. 34-35.Mode of acc...
For later file, see: Lake Survey Center. Great Lakes pilot.Title varies: 1954-70, Great Lakes pilot....
Description based on: No. 46 (Fall 1981); title from cover.Mode of access: Internet
Chiefly tables."May 1986."Distributed to depository libraries in microfiche.Bibliography: p. 9-10.Mo...
Distributed to depository libraries in microfiche."July 1983."Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (page 15).Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (pages 39-41).Mode of access: Interne...
Extract from the 18th annual report of the U. S. Geological survey, 1896-97, pt. II.Mode of access: ...
"June 1978."Cover title.Includes bibliographical references (pages 44-48).Mode of access: Internet
Latest issue consulted: Jan.-June 1980.Title from cover.Mode of access: Internet
"December 1971."Includes bibliographical references (p. 23-26).Mode of access: Internet
Title from caption.Jan. issue is an annual summary of the previous year.Mode of access: Internet