GEOPHYSICAL ACTIVITY IN 1968

Abstract

Total expenditures reported for geophysical surveys for all purposes on a world‐wide basis during 1968 were $800.6 million, up 1 percent from the $790.9 million reported in 1967. This comprises $734.0 million for petroleum exploration, down 1 percent from the $744.9 million reported in 1967; $41.4 million for mining exploration, up 28 percent from the $32.3 million reported in 1967; $20.3 million for groundwater, engineering, and construction, up 62 percent from the $12.6 million reported in 1967; and $4.9 million for oceanographic surveys, up 325 percent from the $1.1 million reported in 1967. The expenditures for petroleum exploration were 91.7 percent of the total for all purposes, compared with 94.1 percent reported in 1967.