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September 13, 2001

Subsequent to publication of U.S. Geological Survey Professional Paper 1629, "Estimation of Hydraulic Parameters from an Unconfined Aquifer Test Conducted in a Glacial Outwash Deposit, Cape Cod, Massachusetts," errors were found on pages 10, 11, 12, 19, 36-38, and 43.

On page 10, in the numerator of equation 16, K_{0} should be followed by (q_{n}).

That is, parentheses should be around q_{n}.
On page 11, in equation 19, the r_{D}^{2} squared term should be multiplied by the letter p.

Also on page 11, in table 1, the definition for
W_{D}*'* should have r_{p} (not r_{c}) in the numerator.

On page 12, in the second column, five lines from the top, the F symbol should not have a bar over it. It should be either F or F'.

On page 19, in equation 25, the 1*n* should be the symbol for the natural logarithm
(*1n*), here and in several places on pages 36-38. The 1 was not italicized whereas the n was.

On page 37, in equation 26, the second left parenthesis (following the + sign) should be removed.

On page 38, in the title of table 10*B*, in the second line, ln should be italicized
to read "variance of *1n* K_{r}, J."

On page 43, in the title of table 15, in the second line, the word "adjustable" before "saturated thickness" should instead be "fixed," to read "fixed saturated thickness."

We apologize for the inconvenience these errors may have caused.

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