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The detailed workflow using and generating these map layers and rasters are available here: https://docs.google.com/document/d/1Cag4C2aJLeEnSesKAwDTpVuJxksndheyOgec7ZvQC0M/edit?usp=sharing

Author: levisimons

CoastalDEMBuffer.dbf

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+PROJCS["NAD83_2011_California_zone_5",GEOGCS["GCS_NAD83(2011)",DATUM["D_NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["standard_parallel_1",35.46666666666667],PARAMETER["standard_parallel_2",34.03333333333333],PARAMETER["latitude_of_origin",33.5],PARAMETER["central_meridian",-118],PARAMETER["false_easting",2000000],PARAMETER["false_northing",500000],UNIT["Meter",1]]