Home1997 Treaties and Agreements ...Spain (12858) – Memorandum of Understanding on Scientific and Technological Cooperation in the Field of Water Resources Development hide Spain (12858) – Memorandum of Understanding on Scientific and Technological Cooperation in the Field of Water Resources Development TIAS Office of Treaty Affairs May 20, 1997 Scientific and Technological Cooperation: Water Resources Development Memorandum of Understanding signed at Madrid May 20, 1997; entered into force May 20, 1997. Download attachment [169 KB] Tags Scientific and Technological Cooperation Spain Treaties