100. 
101. 
102. 
103. 
104. 
105. 
106. 
107. 
108. 
109. 
110. 
111. 
112. 
113. 
114, 
115. 
116. 
117. 
118. 
119. 
120. 
121. 
122. 
123. 
124, 
125. 
126. 
127. 
128. 
129. 
130. 
131. 
132. 
133. 
134, 
135. 
136. 
137. 
OF THE UPPER MISSOURI. 
133 
MINERALS AND GEOLOGICAL SPECIMENS, continued. 
Blue cherty limestone, with Spirifer lineatus, Black hills. 
do. with Rhynconella Mormoni, do. 
do. with Cyathophyllum, do. 
do. with Zaphrentis, do. 
do. with Syringapora, . do. 
do. Porites, . Sea wa do. 
Yellowish do. over No. 98, with Spirifer 
rockymontana, do. 
do. do. with Spirifers 
cameratus and lineatus, ; ° do. 
Cherty nodules in No. 98, 0 0 5 do. 
Arragonite, in No. 98, .. do. 
Coarse, granular limestone, with crinoidal 
columns, . ; : 4 6 . Fort Laramie. 
Blue, compact, limestone, with Productus 
and Athyris subtilita, do. 
do. with corals, < do. 
do. with Spirifer lineatus, do. 
Warm spring 
near F't. Laramie. 
Yellowish cherty limestone, with Productus, } 
White limestone,with Spirifer rockymontana, Near Ft. Laramie. 
Athyris subtilita, from No. 110,  . . 
Panopea, 0 : 0 . Near Tecama,Neb. 
Allorisma, a cd 0 ¢ - Bellevue, Neb. 
Productus, . a 0 5 0 0 do. 
Spirifer cameratus, . 0 do. 
Athyris subtilita, . : ctl Fone do. 
Bellerophon, . ee ea do. 
Chonetes, . 5 , 0 . : C do. 
Cheetetes, . . 0 0 0 do. 
PERMO-CARBONIFEROUS AND PERMIAN. 
Arenaceous limestone, foliated with Bakevellia Black hills. 
Red sandstone, soft, very fine grain, under 
No. 125,  . ae Seana 6 0 do. 
Pink sandstone, over No. 126, . do. 
Limestone, No. 125, with Orthoceratite, do. 
do. with Bellerophon, do. 
do. with Pleurotomaria, . do. 
do. with Spirifer, . do. 
do. with Allorisma, . Big Blue, K. T. 
Yellow magnesian limestone, with Nautilus, 
Monotis, Bakevellia, Myalina, Smoky Hill fork. 
Banks of Mo., 
S. line of Neb. 
Magnesian limestone, with Monotis, . - Big Cottonwood. 
do. . 12m. W. Big Blue. 
Chertzrock,gray,with Aviculaand Myalina, Black hills. 
do. compact, with Mytilus, . 
with Avicula, . 
. Saccharoid gypsum, over No. 133, 
. Monotis from No. 136, 
. Blue limestone, porous, with fenestella, 
. Chertz rock (Burch stone), with crinoidal 
. Black hills. 
- Smoky Hill fork. 
0 do. 
. Big Blue. 
columns, 
142. Cellular calcareous rock, . . Smoky Hill fork. 
143. do. more compact, do. 
144. do. with spherical cavities, do. 
145. do. more argillaceous, Neat Oey 
wood creek. 
JURASSIC. 
146. Arenaceous limestone, light brown, with 
Avicula tenuicostata, Black hills. 
147 do. bluish, over No. 146, with Avicula, do. 
148. Ferruginous limestone, with Cypricardia, do. 
149. do. red, with Avicula, do. 
150. Yellow arenaceous limestone, with Serpula, do. 
151. Limestone,bored withlithophagousmollusks, do. 
152. Red marl, over No. 141, containing snowy - 
gypsum, . . 5 . 0 : do. 
153. Snowy gypsum from No. 152, . do. 
154. Crystalline gypsum from seams in No. 152, do. 
155. Fibrous gypsum do. do. do. 
156. Blue compact limestone (freshwater), in 
No. 158, containing Unio nucalis and 
Planorbis, . 6 . c c ° do. 
157. Arenaceous limestone, same as No. 150, 
containing pentacrinus, with serpula and 
ostrea attached to surfaces, . do. 
158. Yellowishargillo-arenaceous limestone,with 
ostrea, Upper Jurassic, do. 
159. Gray shelllimestone,containing Ammonites, 
Belemnites, &c.,interstratified with No. 158, do. 
160. 
161. 
162. 
163. 
164, 
165. 
166. 
167. 
Snowy gypsum, with no stains, equivalent 
of No. 153, . . Big Horn river. 
Gypsum, with crystals of selenite, do. 
Soggy eee 
CRETACEOUS. 
Formation No. 1. 
Conglomerate and sandstone, with Unios,. BadlandsofJudith 
Conglomerate, . : 0 ° 0 do. 
do. fine, with Melanias and Cyclas, do. 
Gray arenaceous limestone, with Melania 
and Helix, do. 
Conglomerate, same as No. 165, do. 
