<title>Abstract</title> Reply to Tiziano Raffaelli's note on my book, <italic>The Intellectual Foundations of Alfred Marshall's Economic Science. A Rounded Globe of Knowledge</italic> (Cook 2009).

We present a 1:33,333 geomorphological map of the Rees Valley, Otago, New Zealand. The Rees River drains an area of ∼405 km-super-2 and feeds into the head of Lake Wakatipu. This area has been affected by a range of geomorphological processes including tectonic activity, glacial erosion and...