Title: Rāingān samrūat din Čhangwat Pathum Thānī, Nonthaburi, Krung Thēp Mahā Nakhō̜n, Samut Sākhō̜n, læ Samut Prākān
Description: Soil survey report of Pathum Thani, Nonthaburi, Bangkok Metropolitan, Samut Sakhon, and Samut Prakan provinces, Thailand.