In the published score, there a few errors:

"Undercurrents"

Measure #11, beat , the fingering should be the following (edits in blue)

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"The River Bed"

Measure #2's lower voice, beat 1 should be an eigth followed by a 1/16th:

 

Measure #13 lower voice, beat 4 should be a C#:

 

Measure #41 upper voice, second half of beat 4 should be a D natural:

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"Riptide"

Measures #35 and #150, beat one, should include a D in the chord:

 

Measure #39 beat one, should include a D in the chord:

 

Measure #154 beat one, should include a D in the chord: