Which of the following is the earliest recorded multiple arch buttress dam?
(a) Meer Alam dam in India
(b) The Coolidge dam in Arizona
(c) Rodriguez dam in Mexico
(d) Idduki dam in Kerela, India
I have been asked this question in semester exam.
I'm obligated to ask this question of Buttress Dam topic in chapter Arch and Buttress Dams of Irrigation Engineering