GASTROPODS: TROCHIDAE TO TURRITELLIDAE


No. USGS
used in Cenozoic Field Description of locality this No. No. report


 LA BOCA MARINE MEMBER OF PANAMA FORMATION, CANAL ZONE-continued

 132a 6255 Fossiliferous limy sandstone mile (750 meters) south of Miraflores station, on wagon road to Panamd. D. F. MacDonald, 1912. Larger Foraminifera (Cole, 1.953a). Type locality of Lepidocyclina miraflorenois. Apparently submerged. Not plotted.
 133 6237 _-_---_Limestone in swamp north of Ancon Hill, about %4 mile (400 meters) south of Diablo Ridge. D. F. MacDonald, 1912. [The swamp and any outcrops in it are now covered with fill.] Not plotted.

 LOWER PART OF GATUN FORMATION 134 17691 102 Road from Sabanita to Maria Chiquita, cut on south side of ridge, 1.3 kilometers south-southwest of Maria Chiquita, Panami. Silty sandstone. W. P. Woodring, 1949. 135 17690 101 Cut on west side of Transisthmtiano Highway at south edge of Sabanita, Panamd. Ferrugineous concretions in sandstone interbedded with conglomnerate. W. P. Woodring, 1949. 136 16912 12 North side of Transisthmian Highway, knoll about 30 meters north of highway, 1.2 kilometers northwest of Sabanita, Panamd. Silty finegrained sandstone. T. F. Thotpson and W. P. Woodring, 1947. 136a --___--- -- Same locality. Stanford University locality 2611. Latitude 9021' N., plus 1,100 feet (335 meters), longitude 79049' W. T. F. Thompson, 1942. Not plotted. 137 16911 26 South side of Transisthmian Highway, 1.7 kilometers northwest of Sabanita, Panamd. Soft silty fine-grained sandstone. W. P. Woodring, 1947. 137a -__----------- Same locality. Stanford University
 locality 2655. Latitude 9021' N., plus 3,000 feet (915 meters), longitude 79049' W., plus 1,100 feet (335 meters). T. F. Thompson, 1942. Not plotted.
 138 16909 27 North and south sides of Transisthmian Highway, 1.6 kilometers northeast of Canal Zone boundary, Panaml. Soft silty fine-grained sandstone. W. P. Woodring, 1947.


N USGS
used in Cenozoic Field this No. No. report





13 8a --- _-_--- _-_139 6667 ----_140 -----141 16948 28 142 -143 6030






 144 6029a ------


Description of locality


LOWER PART OF GATUN FORMATIONcontinued

Same locality. Stanford University
 locality 2656. Latitude 9021' N., plus 5,000 feet (1,525 meters), longitude 79 50' W., plus 1,000 feet (300 meters). T. F. Thompson, 1942.
 Not plotted.
Steep ridge about 2.5 miles (4 kilometers) northeast [north] of Monte Lirio, overlooking and about 250 feet above Gatun Lake, Canal Zone.
 D. F. MacDonald, 1913. [Southern part of Zorra Island.] Location
 approximate.

 MIDDLE PART OF GATUN FORMATION, EASTERN AREA

Stanford University locality 2708.
 Latitude 9021' N., plus 4,200 feet (1,280 meters), longitude 79 51' W., plus 800 feet (245 meters). T. F.
 Thompson, 1943. [500 meters northwest of intersection of Transistlomian Highway and Canal Zone
 boundary, Canal Zone.]
About 100 meters northwest of Transisthnian Highway, on secondary road entering Highway 600 meters west of Canal Zone boundary, Canal Zone. Medium-grained sandstone.
 W. P. Woodring, 1947.
Stanford Tniversity locality 2698.
 Northeast of Fort Gulick latitude 9 20' N., longitude 79052' W., plus 1,010 feet (310 meters). T. F.
 Thompson, 1943. [1.1 kilometers southeast of junction of Transisthmian Highway and road to Fort
 Gulick, Canal Zone.]
Relocated Panama Railroad, 85-foot
 (25 tseter) cut 1.5 to 2 miles (2.4 to 3.2 kilometers) east of Camp Cotton, Canal Zone. D. F. MacDonald and T. W. Vaughan, 1911 (MacDonald,
 1919, p. 542, pl. 154).
Relocated Panama Railroad, big cut
 )t to % mile (0.6 to 0.8 kilometers) northeast of Camp Cotton, Canal Zone. D. F. MacDonald and T. W.
 Vaughan, 1911 (MacDonald, 1919,
 p. 542, pl. 154).


413788-57-9


125