STRUCTURE AND CONDITIONS AFFECTING PRESENCE OF OIL. 91 
ridge east of Figueroa Creek, as shown in PL VI, A (p. 46), and 30° 
SW. at the junction of Figueroa and Lisque creeks. 
Conclusions regarding future development .—No indications of petro¬ 
leum were noticed in proximity to this anticline, and it is almost cer¬ 
tain that no productive wells will be developed on that part of it 
which lies within the Lompoc quadrangle, with the possible excep¬ 
tion of a small area at its west end. There are good reasons for 
believing that the oil-bearing beds are absent from most of its north¬ 
ern flank, and if present under certain portions of its southern flank 
they lie at such a depth as to preclude their successful exploitation. 
SUMMARY OF CONCLUSIONS REGARDING FUTURE DEVELOP¬ 
MENT. 
There can be no doubt that the region treated in this report is one 
of great promise. The structural and other conditions in general 
favor not only much more extensive development of the territory 
that has already been tested, but also the development of new fields. 
It must be borne in mind continually, however, that absolute deter¬ 
mination, by work on the surface, of the possibilities of occurrence 
or nonoccurrence of oil in any one locality is not possible. The 
best that can be done is to calculate the degree of probability on 
the basis of a summation of surface indications and structural con¬ 
ditions. 
The following is a list of the tracts that appear especially to invite 
testing with the drill. Most of them have been discussed in the 
foregoing pages: 
North and northeast of Sisquoc post-office, along anticlines. 
General region east and west of Tepusquet Creek. 
Indefinite area west of Gary, about Fugler Point. 
Santa Rita Hills anticline. 
Near the coast north of Schumann Canyon. 
Schumann anticline in southeastern part of Casmalia Hills. 
Two anticlines on San Antonio terrace. 
Questionable region at mouth of Santa Maria Valley. 
Northeastern portion of Burton Mesa. 
Purisima Hills anticline, more especially the south side. 
Anticline at head of Santa Lucia Canyon. 
Region about Mount Solomon and related anticlines. 
Along Gato Ridge anticline and south of it between Canada de los Alisos and Canada 
de los Coches. 
Row of knobs extending 5 miles northwestward from a point about 1 mile north of 
Los Alamos and the territory between these knobs and the Gato Ridge anticline. 
Region northwest of the head of Howard Canyon, especially along the axis of the 
anticline south of Gary. 
Arroyo Grande field. (See pp. 107-108.) 
