Bibliograph

Map showing the extent of mining, locations of mine shafts, adits, air shafts, and bedrock faults, and thickness of overburden above abandoned coal mines in the Boulder-Weld Coal Field, Boulder, Weld, and Adams counties, Colorado, U.S. Department of the Interior, U.S. Geological Survey ; compiled by S.B. Roberts, J.L. Hynes, and C.L. Woodward ; prepared in cooperation with the Colorado Geological Survey

Type

Label

Map showing the extent of mining, locations of mine shafts, adits, air shafts, and bedrock faults, and thickness of overburden above abandoned coal mines in the Boulder-Weld Coal Field, Boulder, Weld, and Adams counties, Colorado, U.S. Department of the Interior, U.S. Geological Survey ; compiled by S.B. Roberts, J.L. Hynes, and C.L. Woodward ; prepared in cooperation with the Colorado Geological Survey

Language

eng

resource.cartographicScale

Scale 1:48,000

Characteristic

single map

resource.coordinates

(W 105⁰15ʹ00ʺ--W 104⁰52ʹ30ʺ/N 40⁰08ʹ00ʺ--N 39⁰52ʹ30ʺ)

resource.governmentPublication

federal national government publication

Index

index present

Main title

Medium

cartographic material

Oclc number

48175064

Responsibility statement

U.S. Department of the Interior, U.S. Geological Survey ; compiled by S.B. Roberts, J.L. Hynes, and C.L. Woodward ; prepared in cooperation with the Colorado Geological Survey

Series statement

U.S. Geological Survey geologic investigations series, I-2735

Contributor

Creator