Railroads. Union pacific Shut down by strike. Post Jy 16, 1971 p.1,3 Edd H. Bailey retires as vice-president. Post S 20, 1971 p.13 "Laying Track on the High Plains;" perils during construction of railroad. True West v.19 #4 Mr-Ap 1972 p.16- 19 Donating concession properties in 4 national parks to federal government. Post Mr 15, 1972 p.49 Possible acquisition of Chicago, Rock Island and Pacific falls through. Post Ap 2, 1972 p.1F