Show Invites Canada and Mexico Washington was announced or the White House Monday that a conference con-ference looking toward tho conservation conserva-tion of the natural resources of North America would be held at the White House February 18 next Let tors suggesting the plan have been addressed by tho president to the governor general and to the premier of Canada and to President Diaz ol Mexico They will be delivered to the officials In person by Glffqrd Pin chot chairman of the National Conservation Con-servation commission nnd chief forester for-ester of tho United States |