Judging from the map at http://www.pbase.com/donboyd/image/77197923, this park was located between 12th Street at the top of the park and 14th Streets at the bottom (now Flagler and SE 2nd Streets) east of Avenue B (now SE 2nd Avenue?). Elser Pier would be off to the right in the middle right side of the photo at the foot of 12th Street.