128 G 5 . REPORT OF PROGRESS. I. C. WHITE. 



dip rapidly down, and when we come to Montrose Depot, 

 the New Mil ford Lower sandstone disappears below drain- 

 age at an elevation of 1000' above tide. The dip here is abont 

 75' to the mile, but it does not continue so rapid for any 

 considerable distance. 



Three fourths of a mile below Montrose Depot, the follow- 

 ing is seen in a cut along the D., L. & W. R. R. : 



Below Montrose. 



1. Sandstone, massive, 15' 



2. Concealed, 20' 



3. Sandstone, flaggy, ' 10' 



4. Massive, . 10' 



5. Shales and flaggy sandstone to level of track, (1015 A. T.,) 35' 



Nos. 1 and 3 are grayish-green current-bedded rocks, and 

 crop out in massive cliffs. 



Just below this point the lower portion of No. 5 becomes 

 massive and also forms a cliff along the track. 



About one fourth mile further down the R.R. we see # 

 of red shale passing under the roadbed immediately below a 

 massive sandstone, and 20 rods further still, 20' of red shale 

 pass below the track with a massive grayish-green sandstone 

 directly above. 



About two miles above Oakley Station, a steep ravine 

 leads into the left bank of Martin' s creek. Descending it 

 the following was obtained near the R.R. water tanks : 



Two miles above Oakley Station. 



1. Sandstone, massive, gray, 20' 



2. Concealed, 30' 



3. Shale, red, 10' 



4. Sandstone, 20' 



5. Sandstone flaggy to R.R. level (980' A. T.), 10' 



6. Sandstone, massive, visible, 10' 



No. 3 is a very dark red stratum coming between two 

 layers of gray current-bedded sandstone. 



Just above Oakley Station the following is seen on the 

 left bank of Martin's creek in descending steep to the R.R. : 



Oaldey Station section. 



1. Sandstone, massive, 30' 



2. Concealed, 150' 



Forks next east, 1440' 



