12 treff

The 1740 description by Daniel Tilas of stratigraphy and petroleum occurrence at Osmundsberg in the Siljan region of central Sweden
by Hollis D. Hedberg
Bok Språk ikke angitt 1988
Contributions to the geologic time scale : papers given at the Geological Time Scale Symposium 106.6 : 25th International Geological Congress, Sydney, Australia, August 1976
Geological Time Scale Symposium
Bok Engelsk 1978
International stratigraphic guide : a guide to stratigraphic classification, terminology and procedure
International Union of Geological Sciences
Bok Engelsk 1976
Introduction to an international guide to stratigraphic classification, terminology, an usage
edited by Hollis D. Hedberg
Bok Språk ikke angitt 1972
Preliminary report on chronostratigraphic units
Hedberg, Hollis D.
Bok Engelsk 1971
Preliminary report on biostratigraphic units, by International Subcommission on Stratigraphic Classification
International Geological Congress
Bok Engelsk 1971
International Geological Congress (24 : 1972 : Montreal) Preliminary report on stratotypes
Hollis D.Hedberg, ed.
Bok Engelsk 1970
Preliminary report on lithostratigraphic units
International Geological Congress
Bok Engelsk 1970
Influence of Torbern Bergman (1735-1784) on stratigraphy
Hedberg, Hollis D.
Bok Engelsk 1969
Status of stratigraphic classification and terminology
Hedberg, Hollis D.
Bok Språk ikke angitt 1967
The role of national governments in exploration for mineral resources
Princeton University Conference
Bok Språk ikke angitt 1964
Procedure and terminology in stratigraphic classification
Hedberg, Hollis D.
Bok Språk ikke angitt 1952