| Description | (Site 9. Collector: A Roche)
Includes:
Correspondence with E Thellier (1963) and A Roche (1964-1965) re samples and research projects;
Worksheets by JL Langbein, most dated September 1964 (see her letter in C.148);
Calculations by Langbein and Blackett on various aspects of the Roche samples, May 1965, August 1965, March 1966 |