148 Sioux City Academy of Science and Letters. 
SECTION IN QUARRY NORTH OF HOMER, NEBR. 
Thickness 
Feet. 
HME TWOCSS i SRPOSSH Ye chereeve an eletells leteie elattolledlel suedeelic eeterens 15 
8. Clay, shaly, yellowish and weathered........... 1% 
7. Sandstone, massive, friable, light color........ 8 
6. Clay, light buff, containing concretions........ 2 
5. Sandstone, massive, soft, containing plant re- 
Dakota TIDE TTS esi cee RC Ahe NBA MAC Itc alin aligtiatiellsheltauetione 11 
4. Clay, sandy and shaly, light buff .............. 10 
8. Sandstone, ferruginous plate, dark brown...... 1 
2. Clay, yellowish with thin ferruginous plates....20 
1. Sandstone, massive, cross-bedded, light to rusty 
prown, containing clay in thin seams, exposed 20 
Beds 1 to 8 are probably all Dakotan. 
SECTION IN QUARRY AT JACKSON, NEBR. 
Thickness 
Feet. 
7. Loess, thickening above on slope............. 3 
6. Clay and sand (Glacial till) .................. 3 
(gy Sandstone, soft, light to rusty................. 3 
| 4. Sandstone, soft, gray to yellow, thin bedded and 
| interstratified with thin seams of clay and 
Dakota ¢ hard ferruginous plates .................-.- 5% 
So ClayeushalynwiehtsCoOlons tevin aielelsiettene 1% 
9. Sandstone, friable, eray.. 2.6.00... o ee eee nee 1% 
(1. Sandstone, soft, with clay and ferruginous plates 3 
Elevation of bottom, 1135 feet. 
SECTION OF BLUFF, SEC. 14, T 29 N., R. 7 E., DAKOTA 
COUNTY, NEBR. 
Thickness 
Feet. 
Loess, thickening back on slope to 90 feet, ex- 
H OLOSSKEG Win Ata a oh tC MONI A a SAS IY aS IT PS aI a tar 10 
Glacial 
| 6 
Gee { Die Limestone, slabby, and fossiliferous above, mas- 
Sive and chalky below, pale-straw color ....30 
4. Shale, bluish, argillaceous, with iron pyrite con- 
CLETIONS) Sea eR Ue RN uNe | i LL LU uM eg 45 
3. Sandstone, soft, gray and yellowish, with hard, 
FETLUZSINOUSHPIALES ee. eeu eateries 1% 
. Clay, dark, carbonaceous .................0... 1 
1. Shale, yellowish to bluish .......... aalVioneneveneteie 3 
Elevation, 1214 feet, below which a talus ex- 
tended to flood plain. 
Graneros 
