Experimental plate studies: concrete block plates and R-Day cages, Summer 1978

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The folder documents the work of William Osman regarding the use of concrete block plates and R-Day cages in order to study area benthic marine life during the summer of 1978. The first sheet is a copy of a key to the "computer coding of station ID and plate no. on the data sheets." Sheets are headed with form no. (e.g. 1), station ID (e.g. 16), plate no. (0025012 to 0025022), date exposed, station (e.g. 50N), size, and number (e.g. DAS-P), followed with a table containing species name species number, and twelve counts with corresponding dates. The sheets are organized with tabs containing the following headings: 50N, Waples Reef, SMK1, SMK2, SOK1, SOK4, and 50 South.

Date Range


Start Date

May 31, 1978

End Date

Aug 31, 1978

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.


  • Marine Biology
  • Benthic animals
  • Marine biology


  • United States
  • California


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 16-326

Collection name

Richard William Osman Papers, 1977-1981

Physical Description

1 Field book

Physical Location

Smithsonian Institution Archives


Box 1 Folder 12