Individual reports are presented for each of the 44 oil and gas fields studied. Figure 1 shows their locations. Field reports contain the following information as available: Map of field; discovery date; location of discovery wells; deeper zones tested; reported tops of formations; number of producing wells; daily production of oil and gas; oil, gas, and water production for 1960; cumulative oil and gas production to 1961; analyses of crude oils; and estimated oil reserves remaining on January 1, 1961.