Rogers, Henry Darwin, 1808-1866 (American geologist)

Scope and Contents The correspondence between H.D. Roger and Charles Lyell is mainly concerned with American Geology and the projects of their colleagues. Letters are written at Philadelphia; some are written to Mary Lyell. Lyell or his team, have summarised the letters, either on the envelope, or on the letter itself - usually in the space allocated to the address. Where there is a summary, it has been transcribed here. ...