1961, E. H. G. Dobby, “Insular Eastern Asia—Taiwan and the Philippines”, in Monsoon Asia (A Systematic Regional Geography)[2], volume V, London: University of London Press, →OCLC, page 165:
Japanese markets during the first half of the century gave rise to a well-organised commercial agriculture in West Taiwan, differing greatly from South China.
The forms of movement of the Hualien and the Post-Hualien phases largely reflect the geological structures of the Tertiary and the T’ouk’oshan group which was overlain by post-T’ouk’oshan deposits in the tablelands and coastal plains of West Taiwan.
1973 October 21, “Freeway work on schedule”, in Free China Weekly [自由中國週報][4], volume XIV, number 41, Taipei, →ISSN, →LCCN, →OCLC, page 1, column 1:
Premier Chiang Ching-kuo said October 12 that the North-South Freeway, a 373-kilometer (235-mile) artery along west Taiwan, will have to be completed on schedule by 1978.
1975 July 18, “ULCCs plan goes ahead”, in Marine Week[5], volume 2, number 29, London, →ISSN, →OCLC, page 7, column 2:
Mr. Tung apparently plans to lay up 10 tankers at Penghu, an island off West Taiwan (see map, page 1).
Meanwhile, due to a lack of wind, air quality in west Taiwan was poor yesterday, the Environmental Protection Administration said. Air quality could deteriorate early this morning, triggering a “red” alert — which signals unhealthy air quality — in some parts of Yunlin, Chiayi and Tainan counties, it said.
