Tuesday 24th July. Walked W down grove to W creek. Up to Y in river. Great snowy hedge over the junction of the Y. End as about 20m below of caveous interval between. Below that can be see distinctive thin leaf, however small interl rifts, coils at top of creek, then comp. while I walkt. between. Charel. marine sequence same as E creek section lower. Below final marshes tropical transition. 3.4m lower snowy hedge (units#) 45.9m cavern interval 12.50m upper Great snowy hedge Note: Snowy hedge very rippled throughout, us / small trough sets, no plants bedding to top.