- USGS Home
- Contact						   USGS
- Search 
USGS

- mobile menu barsUSGS Publications Warehouse
    Contact
    Explore recent 
    publications by USGS Authors
    Browse all of Pubs 
    Warehouse by Publication type and year
    FAQS
    Web 
    Service Documentation
    Other 
    Resources
    Descriptions of US Geological Survey Report Series
- USGS Publications Warehouse
- Contact
- Explore recent 
    publications by USGS Authors
- Browse all of Pubs 
    Warehouse by Publication type and year
- FAQS
- Web 
    Service Documentation
- Other 
    Resources
- Descriptions of US Geological Survey Report Series

- USGS Publications 
  Warehouse
- Explore					    
  Explore recent 
    publications by USGS Authors
    Browse all of Pubs 
    Warehouse by Publication type and year
- Explore recent 
    publications by USGS Authors
- Browse all of Pubs 
    Warehouse by Publication type and year
- Documentation					    
  FAQS
    Web 
    Service Documentation
    Other 
    Resources
    Descriptions of US Geological Survey Report Series
- FAQS
- Web 
    Service Documentation
- Other 
    Resources
- Descriptions of US Geological Survey Report Series
- Contact

### Chemical composition of sedimentary rocks in Colorado, 
Kansas, Montana, Nebraska, North Dakota, South Dakota, and Wyoming

#### Professional Paper 561

Tweet


#### Links

- Document: **Document**                                
  (pdf)
- Plates:
- **Plate 1**                                
    (pdf)
- **Plate 2**                                
    (pdf)
- **Plate 3**                                
    (pdf)
- **Plate 4**                                
    (pdf)
- **Plate 5**                                
    (pdf)
- **Plate 6**                                
    (pdf)
- **Plate 7**                                
    (pdf)
- **Plate 8**                                
    (pdf)
- **Plate 9**                                
    (pdf)
- **Plate 10**                                
    (pdf)
- **Plate 11**                                
    (pdf)
- **Plate 12**                                
    (pdf)
- **Plate 13**                                
    (pdf)
- **Plate 14**                                
    (pdf)
- Paper 
  version: **USGS Store**
- Download citation as:  RIS

#### Abstract

#### Additional publication details

Part or all of this report is presented in Portable 
Document Format (PDF). For best results viewing and printing PDF documents, it 
is recommended that you download the documents to your computer and open them 
with Adobe Reader. PDF documents opened from your browser may not display or 
print as intended. Download the latest version of Adobe 
Reader, free of charge. More information about viewing, downloading, and 
printing report files can be found here.

Accessibility
				    FOIA				    Privacy				    Policies and 
Notices

U.S. Department of the Interior				    | 				    
U.S. Geological 
Survey				    				   URL: http://pubs.er.usgs.gov/publication/pp561 
                   				    				   Page Contact Information: Pubs 
Warehouse Contact Page				    				   Page Last Modified: February 02, 
2012 00:05:56