Buletin Keairan media Informasi Kegiatan Penelitian Keairan, Vol. 2 No. 2, Desember 2009, ABSTRAK : The aim of this gamma ray logging measurement is to dtermine the stratification of rocks and the distribution of aquifers based on the gamma ray values. The objective of the well logging is to determine the depth and the thickness of aquifers and other layers for determining construction of wells…