For sale is the 255 page book- Fisheries Investigations & Management Rhode Island Lakes & Ponds by Richard C. Guthrie, John A. Stolgitis
This covers 101 ponds in RI It has topographies, species, elevarion, size, depth, mean depth, and even some oxygen info on the ponds. This 3rd edition book was published in 1990 I believe there were 6 editions. This was purchased in1992.