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29427-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1929
DescriptionThe date assigned to this photograph is approximate.
29437-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1929
DescriptionThe date assigned to this photograph is approximate.
29438-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1929
DescriptionThe date assigned to this photograph is approximate.
29440-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1929
DescriptionThe date assigned to this photograph is approximate.
29441-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1929
DescriptionThe date assigned to this photograph is approximate.
29447-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1915
DescriptionSee "Phoenix, 1870-1970," p. 72. The date assigned to this photograph is approximate.
32308-Thumbnail Image.jpg
ContributorsMcCulloch Bros. (Photographer)
Created1920
DescriptionThe date assigned to this photograph is approximate.
67445-Thumbnail Image.png
ContributorsSchoenwetter, James (Author)
Created1986
Description

Version of 1976 Marble Canyon report prepared for publication. Rejected by "Plateau."

67447-Thumbnail Image.png
ContributorsSchoenwetter, James (Author)
Created1988
Description

Pilot study suggests Puerto Rican archaeological-context sediment samples contain pollen but further research will be needed to develop a cost-effective extraction technique, and many samples may not have adequate pollen concentrations to justify paleoenvironmental interpretation.