Lacustrine manganese
Subtitle: a supplement to U.S. Geological Survey bulletin 1693
By: by Long, K.R. ... [et al.].
Contributors: Long, Keith R.; Geological Survey (U.S.)
Series: Open-file report -- 92-239.; U.S. Geological Survey open-file report -- 92-239.
Publisher: U.S. Geological Survey; Books and Open-File Reports Section, distributor]
Published: 1992
Place of publication: Menlo Park, CA; [Denver, Colo
Language: eng
Format: Microform
Number of pages: 12
Subjects: Manganese nodules -- Mathematical models.; Marine mineral resources -- Mathematical models.
Notes: Cover title.

Distributed to depository libraries in microfiche.

Includes bibliographical references.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche : negative.
Table of contents: value: 1. Descriptive model / by K.R. Long; value: 2. Grade-tonnage model / by K.R. Long; value: 3. Geophysical model / by J.C. Wynn, F. Fritz, and J. Corbett.