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LVZ-like disappearance of 1st arrival near shot 210. Interesting < near 160. May be PmP. Only 0.2 seconds of discontinuity can be accounted for by topography. Shots less than 110 MAY be Pn (in x2). App. velocity is fast enough. Though no PmP is visible. Not clear how x1,x2 and x3 are related. X3 may not be first arrival |