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- The Survey245
- U.S. Geological Survey50
- The Survey ; For sale by Map Distribution37
- Dept. of the Interior, U.S. Geological Survey29
- Geological Survey of Alabama24
- The Survey ; Open-File Services Section, Western Distribution Branch14
- The Survey ; Books and Open-File Reports Section [distributor]11
- The Survey : [Books and Open-File Reports Section, distributor]10
- The Survey ; For sale by Information Services9
- The Survey ; Books and Open-File Reports [Section, distributor6
- The Survey ; Earth Science Information Center, Open-File Reports Section, distributor6
- The Survey ; For sale by Branch of Distribution6
- The Survey ; Open-File Services Section [distributor]6
- U.S. Dept. of the Interior, U.S. Geological Survey6
- U.S. Geological Survey ; Books and Open-File Reports [Section, distributor6
- The Survey ; Books and Open-File Reports Section, distributor5
- The Survey ; Copies can be purchased from Earth Science Information Center, Open-File Reports Section5
- Geological Survey4
- Md. Geological Survey4
- State of Md., Dept. of Natural Resources, Md. Geological Survey4
