Scope and Contents The field notebooks describe: The development of Sedgwick's geological ideas, and information about the structural geology of the areas he explored.The places Sedgwick visited, which included working copper/lead/tin mines and quarries. In one journal, he notes: '500 men employed and present expenses not less than £3000 per month, at present a very losing concern'.The specimens Sedgwick (or others) collected or purchased. For example in 1819 he refers to...