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#           The Mineral Industry of Maine      

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Statistics and information on the nonfuel mineral commodities produced in Maine

### Minerals Yearbook Vol. II - Domestic

2018-2019 data for Maine are summarized in the table on this web page. The 2015 chapter data tables (XLS) and 2014 chapter containing text and data tables in PDF and XLS formats are available, with other years, through the links below. 

### Sources of information

Maine is a major producer of peat. It produces construction sand & gravel, crushed & dimension stone, masonry & portland cement, & natural gemstones. Peat is a good plant growth medium because of its fibrous structure and water retention properties.

                        - Statistical Summary
                        - Aggregates Data by State, Type, and End Use
                        - Mineral Commodity Summaries
                        - Mineral Industry Surveys
                        - Minerals Yearbook Volume I -- Metals and Minerals
                        - Mineral Yearbook Volume II - Maine chapters

The following data table gives nonfuel mineral commodity production data for Maine extracted from Table 5 in the 2019 Minerals Yearbook Statistical Summary.

eEstimated. rRevised. NA Not available. XX Not applicable.

1Includes data from the commodity chapters published in the Minerals Yearbook as they were completed and released through January 2023.

2Production as measured by mine shipments, sales, or marketable production (including consumption by producers).  Mine output measured as sold or used by producers is primarily shown in the tables, because values can be assigned. Where sold or used data are not available, actual mine output is used as the production measurement and value is estimated average price of the mineral commodity for that year. Data are reported in gross weight unless otherwise specified.

3Data are rounded to no more than three significant digits; may not add to totals shown.

7Withheld to avoid disclosing company proprietary data; value included in "Undistributed" in the U.S. total value.

### 

### **Minerals Yearbook Volume II Maine chapters:**

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                            - Minerals Yearbook:  The Mineral Industry of Maine   	  PDF Format:   	     |  1994  |  1995  |  1996  |  1997  |  1998  |  1999  |  2000  |  2001  |  2002  |  2003  |  2004  |  2005  |  2006  |  2007  |  2008  |  2009  |  2010-2011  |  2012-2013  |  2014  |   	  XLS Format:   	     |  2002  |  2003  |  2004  |  2005  |  2006  |  2007  |  2008  |  2009  |  2010-2011  |  2012-2013  |  2014  |  2015 tables-only release  |
                            - Archive   	     |  1932-1993  |

### Links

                            - Maine Geological Survey
                            - Association of American State Geologists
                            - USGS Publications Warehouse (search by State)

### Contacts

#### Robert M Callaghan

##### Mineral Commodity Specialist - States

National Minerals Information Center

rcallaghan@usgs.gov

703-648-7709