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Corinth Notebook Page: NB 242, spread 18 (pp. 26 - 27)
Entry:   Pg. 26, Well 28/?G, 17/4/1962, Drawing
    Pg. 26, Well 28/?G, 17/4/1962, NB242 B4, Well 28/?G, L 4472
    Pg. 27, Tunnel B: Cross Section, 17/4/1962, Drawing, Tunnel B: Cross Section
Date:   17/4/1962