Collection search - Claim of M.P. and J.T. Davis regarding concrete - Claim of M.P. and J.T. Davis for work under contract Numbers 8 and 9 - Claim of M.P.and J.T. Davis excavated rock used for crib filling - Transcontinental Railway - Power of Chief Engineer to change prices for excavation - Powers of the Engineer regarding concrete - From Auditour General and Transcontinental Railway Commission

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