INDEX. 



267 



San Crist6bal mining district — Continued. 



development in 237-238 



geology of 238-239 



history of 237 



La Rama prospect in 240-241 



location of and access to 236 



ore deposits in 239-240 



report on 236-242 



San Francisco Hill, copper deposits and 



mines on 236, 240 



shipments of copper ore from 238 



San Francisco mining concession, copper- 

 bearing rocks of 239 



geology of 239 



history of 237 



location of 236 



map of part of (PI. XXIII) 236 



mineralized area of 238 



San Jos6 de las Matas, basal rocks exposed 



near 52 



Cercado formation near 69 



faulting near 78 



fossils found near 114,116-124 



Tabera formation near 62 



San Jose de Ocoa, Cretaceous rocks near 54 



description of 33 



faulting near 79 



view of plication in shaly limestone 



near (PI. XX, A ) _ 226 



San Juan, areal features near 188 



location and population of 195 



roads and trails to 35-37,196-197 



Tertiary rocks and fossils found near 109 



200,211,212 



volcanic rocks near 203 



San Juan de la Maguana, roads from 37 



San Juan Valley, areal geology of 204 



drainage of 189 



geologic features of _ 209-212 



Las Matas formation in 76, 201 



location and general features of 37 



structure in 203 



volcanic rocks in. 202, 203, 210 



width and extent of 188 



San Lorenzo Bay, Oligocene limestone on 64 



topography of region near 47 



San Pedro de Macoris, brick made near 249 



fossils found at 166-168 



geographic features near 48 



Quaternary coral reefs at 76-77 



raised beaches near 77 



remains of extinct rodents found at 104 



uplifted shell beds near 81-82 



view of terraces near (PI. VII, A) 40 



well water obtained near 249-252 



Sand, tests of, for use in cement 248 



Sand-clay available for road making, tests of 247 



Santa Barbara de Samana, coral reef near 185 



geography of region near 47 



view of (PI. Ill, B) 30 



Santiago, Mao Adentro limestone near 73-74 



Miocene fossils found at and near 130 



133-145, 151-153 



Santiago Province, Eocene fossils found in 59, 105 



Miocene fossils found in 113-153 



Oligocene fossils found in 107, 108, 111 



Santo Domingo City, brick made near 249 



ooastal plain near _ 40 



fossils found near 112, 166-167 



geographic features near 48 



nickel deposits near 243 



Quaternary coral reef at 77 



well waters near, analysis of samples 



of 249-252 



Santo Domingo Exploration Co., San Fran- 

 cisco mining concession obtained and 



lost by 237 



Santo Domingo Investment and Develop- 

 ment Co., explorations for oil by 223 



Santo Domingo Province, copper deposits 



in — 236-242 



Eocene fossils found in 106 



Miocene or older fossils from 155, 157-162 



nickel deposit in 231-236 



oil seepages in 225-226 



Oligocene fossils collected in 112 



Pleistocene or younger fossils from 166-167 



Saona Island, features of 48 



'Scotch Railroad," a name applied to the 

 main line of the Ferrocarril de San- 

 tiago y Samana 44 



Seibo Plain, location and features of 40 



Seibo Province, manganese ores in 243 



Serpentine, description of 84 



Settlements, Azua and Barahona Prov- 

 inces 194-196 



Shore features, description of 44-49 



Sierra de Bahoruco, areal geology of 219-221 



drainage of 43 



Eocene rocks and fossils found in 60, 200 



features of 39-40 



generalized stratigraphic section in 221 



iron ores in 243 



location of 48, 49 



views of (PI. XIX, A, B) 220 



villages in valleys of 195 



volcanic rocks in 202 



Sierra de Martin Garcia, features of 38, 48, 207 



Sierra de Neiba, features of 33 



Oligocene rocks and fossils found in.... 63, 112 



streams rising in 43 



view of (PI. XVI, A) """'". '. 188 



Sierra de Ocoa, features of 32-33 



trails in 33 



Sierra de los Altos, rocks on 211 



Sierra de los Remedios, lagoon near 192 



Sierra del Agua, rocks in and near 209, 212 



Sierra del Viento, Gurabo formation exposed 



on.... 74 



Sierra Prieta, Eocene rocks in 59, 60 



location and general features of 232 



map of part of (PI. XXII) 232 



Oligocene fossils found on m 



Tertiary limestone on 183 



view of white limestone cliff in (PI. VII, 



B) 40 



Siete Picos, view of (PI. VI, B) 36 



