ation ▁is ▁less ▁dense ▁than ▁that ▁of ▁the ▁larger ▁sand ▁c ays ▁of ▁the ▁Cap ric orn ▁Group . ▁ ▁A ▁small ▁p ond ▁of ▁bra ck ish ▁water ▁is ▁located ▁towards ▁the ▁southern ▁end ▁of ▁the ▁c ay . ▁ ▁The ▁island ▁is ▁located ▁on ▁the ▁southern ▁end ▁of ▁a ▁large ▁l ago on . ▁ ▁From ▁a ▁bo ating ▁perspective ▁the ▁great ▁thing ▁about ▁Lady ▁Mus gra ve ▁re ef ▁is ▁that ▁you ▁can ▁enter ▁the ▁l ago on ▁via ▁a ▁deep ▁water ▁channel . ▁ ▁There ▁has ▁been ▁some ▁conject ure ▁whether ▁the ▁channel ▁into ▁the ▁l ago on ▁is ▁a ▁naturally ▁occurr ing ▁phenomen on , ▁or ▁was ▁cut ▁into ▁the ▁l ago on ▁by ▁Japanese ▁or ▁Taiwan ese ▁fish erman , ▁or ▁as ▁legend ▁has ▁it ▁was ▁w iden ed ▁by ▁gu ano ▁min ers ▁many ▁years ▁ago ; ▁it ▁is ▁recorded ▁by ▁ 1 9 3 8 ▁and ▁in ▁ 1 9 6 6 ▁surve ys . ▁ ▁More ▁convin cing ly ▁however , ▁the ▁channel ▁is ▁mentioned ▁in ▁William ▁Col lin ' s ▁Life ▁& ▁Advent ures ▁of ▁an ▁Es sex man : ▁a ▁Queensland ▁pione er ▁and ▁in ▁a ▁Br is b ane ▁newspaper ▁reporting ▁in ▁December ▁ 1 8 7 5 ▁Col lin ' s ▁salv age ▁of ▁the ▁N ors eman . ▁It ▁may ▁have ▁been ▁w iden ed ▁by ▁Captain ▁Col lin ▁after ▁he ▁had ▁re - f lo ated ▁the ▁N ors eman ▁from ▁Lady ▁Mus gra ve ▁Island ▁re ef