Fries K., Fink-Straube C., Mennig M., Schmidt H. (2004) Photochromic Coatings. In: Aegerter M.A., Mennig M. (eds) Sol-Gel Technologies for Glass Producers and Users. Springer, Boston, MA. DOI https://doi.org/10.1007/978-0-387-88953-5_33; Publisher Name Springer, Boston, MA; Print ISBN 978-1-4419-5455-8; Online ISBN 978-0-387-88953-5
Welaka, FL. Welaka is located close to the center of Florida. Welaka is part of Putnam County. Welaka has 1.48 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Welaka population is 752, which has grown 28.33% since 2000.
Putnam County, Florida. Putnam County is a county located in the state of Florida. As of the 2010 census, the population was 74,364. Its county seat is Palatka. Putnam County comprises the Palatka, FL Micropolitan Statistical Area, which is included in the Jacksonville-St. Marys-Palatka, FL-GA Combined Statistical Area.