Metropolitan Board of Works. Report of the Metropolitan Board of Works, 1870-71; also account in abstract, showing the receipt and expenditure, under the several distinct heads, from the 26th March 1870 to the 25th March 1871, with the statement of the allowance of the auditor; also, a summary statement of all contracts entered into during such period, and of the moneys owing to, and debts and liabilities owing by, the board on the 25th March 1871 [electronic resource].