Comments on “High-resolution historical records from Pettaquamscutt River Basin sediments: 2. Pb isotopes reveal a potential new stratigraphic marker”
By Richard W. Hurst Dept. of Geological Sciences, CSU Los Angeles, CA 90032 And Hurst & Associates, Inc. 9 Faculty Ct. Thousand Oaks, CA 91360 INTRODUCTION The paper by Lima et al. (2005) is noteworthy in that the authors utilize the Anthropogenic Lead ArchaeoStratigraphy (ALAS) Model (Hurst, 2000, 2002, and citations therein), as a reference…