RT @Patterdale_Hall: Great day caving with @BoltonSchool 9c. V good on cave formation. Carbonic acid, calcium bicarbonate. #Adventure Le ...
Tweet 24/01/2013 05:17 PM
Posted by Bolton School on 24 Jan 2013
Modified by Bolton School on 16 Sep 2023
RT @Patterdale_Hall: Great day caving with @BoltonSchool 9c. V good on cave formation. Carbonic acid, calcium bicarbonate. #Adventure Le ...