Item 74822 - CMP, IBEW labor agreement, 1947 Item 74822 - CMP, IBEW labor agreement, 1947 Contributed by Maine Historical Society Item 74822 Zoom 2796px x 4639px - 9.3"w x 15.5"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The International Brotherhood of Electrical Workers, Local B-333, and Central Maine Power Co. reached a labor agreement in 1947. The CMP workers had been employees of Cumberland County Power & Light until the company became the southern division of CMP in 1942. Show Details