Prices of exported coal. Return to an order of the Honourable the House of Commons, dated 3 March 1910;--for, return "giving the quantities of coal exported from each of the ports of the United Kingdom by quarterly periods in 1909, at prices not exceeding 5s., above 5s. but not exceeding 6s., above 6s. but not exceeding 7s., and so on (in continuation of Parliamentary Paper no. 78, of session 1909)." [electronic resource].