( ( ( ( ( These data ) , ) ( coupled ( with ( bathymetric data ) ) ) ) , ) ( ( were ( used ( to ( prepare ( ( a map ) ( of ( the ( lake-bottom physiography ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT These) (NNS data)) (, ,) (VP (VBN coupled) (PP (IN with) (NP (JJ bathymetric) (NNS data)))) (, ,)) (VP (VBD were) (VP (VBN used) (S (VP (TO to) (VP (VB prepare) (NP (NP (DT a) (NN map)) (PP (IN of) (NP (DT the) (JJ lake-bottom) (NN physiography))))))))) (. .)))
These data, coupled with bathymetric data, were used to prepare a map of the lake-bottom physiography.
(ROOT (S (NP (DT A) (JJ bathymetric) (NN map)) (VP (MD can) (VP (VB show) (NP (NP (DT the) (NNS features)) (PP (IN of) (NP (NP (DT the) (NN bottom)) (PP (IN of) (NP (NP (DT a) (NN body)) (PP (IN of) (NP (NN water)))))))))) (. .)))