| Author: | Carpenter, Charles B. | 
|---|---|
| Additional Authors: | Spencer, George B. | 
| Year: | 1940 | 
| Document Type: | BMRA | 
| Issuing Agency: | United States Department of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:3540 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 3540. | 
| Subject: | Sandstone | 
| Link: | https://hdl.handle.net/2027/mdp.39015078491811 |