22 treff

An introduction to the study of organic limestones
Johnson, J. Harlan
Bok Engelsk 1971
A review of the lower Cretaceous algae
by J. Harlan Johnson
Bok Engelsk 1969
Lower Cretaceous algae from the Blake Escarpment, Atlantic Ocean, and from Israel
by J. Harlan Johnson
Bok Engelsk 1968
Bibliography of fossil algae, algal limestones, and geological work of algae, 1956-1965
J. Harlan Johnson
Bok Engelsk 1967
Fossil algae from Guatemala
Johnson, J. Harlan
Bok Engelsk 1965
Archaeolithophyllum : a new genus of paleozoic coralline algae
Johnson, J. Harlan
Bok Engelsk 1956
Early tertiary coralline algae from Trinidad, British West Indies
Johnson, J. Harlan
Bok Engelsk 1955
Cretaceous dasycladaceae from Gillespie County, Texas
Johnson, J. Harlan
Bok Engelsk 1954
Coralline algae from the Meganos formation, California
by J. Harlan Johnson and W. Alan Stewart
Bok Engelsk 1953
Coralline algae from the Ecocene Atascadero limestone
by J. Harlan Johnson and Issac A. Tafur
Bok Engelsk 1952
Ordovician rock-building algae
Johnson, J. Harlan
Bok Engelsk 1952
Fossil algae
Johnson, J. Harlan
Bok Engelsk 1951
An introduction to the study of organic limestones
by J. Harlan Johnson
Bok Engelsk 1951
Tertiary corraline algae from the Dutch East Indies
by J. Harlan Johnson and Bernard J. Ferri...
Bok Engelsk 1949
Ecogene algae from Florida
by J. Harlan Johnson and Bernard J. Ferri...
Bok Engelsk 1948
Late paleozoic algae of North America
Johnson, J. Harlan
Bok Engelsk 1946
Lime-secreting algae from the Pennsylvanian and Permian of Kansas
Johnson, J. Harlan
Bok Engelsk 1946
Calcareous algae as useful microfossils
Johnson, J. Harlan
Bok Engelsk 1945
Calcareous algae of the upper Leadville limestone near Glenwood Springs, Colorado
Johnson, J. Harlan
Bok Engelsk 1945
The permian algal genus Mizzia
by J. Harlan Johnson and M.E. Dorr
Bok Engelsk 1942
Lime-secreting algae and algal limestones from the Pennsylvania of Central Colorado
Johnson, J. Harlan
Bok Engelsk 1940
Algae and algal limestone from the Oligocene of South Park, Colorado
Johnson, J. Harlan
Bok Engelsk 1937