{"entry-date":"2026-06-11","start-date":"","end-date":"","entity":14500705,"name":"Mattersey Hill Marsh SSSI","dataset":"site-of-special-scientific-interest","typology":"geography","reference":"1000999","prefix":"site-of-special-scientific-interest","organisation-entity":501910,"geometry":"MULTIPOLYGON (((-0.990513 53.377641, -0.990488 53.37769, -0.990424 53.378278, -0.990516 53.378728, -0.990557 53.3791, -0.990529 53.379491, -0.990552 53.379581, -0.99058 53.379631, -0.990644 53.379674, -0.991759 53.380034, -0.992041 53.380093, -0.992671 53.380181, -0.99295 53.37948, -0.993297 53.378711, -0.993433 53.378427, -0.993682 53.377834, -0.990629 53.377413, -0.990513 53.377641)))","point":"POINT (-0.991878 53.378711)","quality":"authoritative"}