Hand written field data from northern elephant seal research at UC's Ano Nuevo Reserve at Ano Nuevo State Park (San Mateo County, CA). Primarily census records with some specific accounts. Many of these documents were originally kept in 49 binders filed in rough chronological order. Notes have been re-housed for ease of use and preservation purposes, the originial notations on each binder have been transcribed onto the corresponding folders. Also includes charts detailing daily observations from northern California elephant seal research, and elephant seal and marine mammal films.

The elephant seal tagging and censusing project was initiated and financed from federal grants by B.J. Le Boeuf, at UCSC, from Fall 1967 to 2012. The project built on the previous work of Thomas Poulter (Stanford Research Institute) and Robert Orr (California Academy of Sciences) on Año Nuevo Island from 1961 to 1966.

10 Linear Feet 6 cartons, 1 box, 14 oversize folders

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