M. Mennig, K. Fries, M. Lindenstruth, H. Schmidt, Development of fast switching photochromic coatings on transparent plastics and glass, Thin Solid Filims,351, 230 (1999) CrossRef Google Scholar 64. V. Malatesta, Photochromic and thermochromic compounds, Chapter 10: photodegradation of organic photochromes, Plenum Press,4, 1 (1997) Google Scholar
Welch Township is a township in Goodhue County, Minnesota, United States. It lies about halfway between the cities of Hastings and Red Wing and 36 miles southeast of Saint Paul. The population was 697 at the 2000 census. It is centered on the small community of Welch on the Cannon River. Like many river towns in the Driftless Area, it is situated at the base of the steep bluffs of the river valley.
Minneapolis Assessor 309 2nd Avenue South Minneapolis MN 55401 22.0 miles from Minnetrista 612-673-2382. Anoka County Assessor's Office 2100 3rd Avenue Anoka MN 55303 24.0 miles from Minnetrista 763-323-5499. Mcleod County Assessor's Office 2383 Hennepin Avenue North Glencoe MN 55336 24.0 miles from Minnetrista 320-864-1255. Sherburne County Assessor's Office 13880 Business Center Drive Northwest Elk River MN 55330 25.7 miles from Minnetrista 763-765-4901