Richland quadrangle,
Gray, Carlyle.
Richland quadrangle, by Carlyle Gray, Alan R. Geyer, Dean B. McLaughlin. - [Harrisburg, Pennsylvania Topographic and Geologic Survey, 1958] - 1 sheet (78 x 96 cm fold. to 18 x 25 cm.) - Geologic atlas of Pennsylvania, 167D. . - Atlas (Pennsylvania. Bureau of Topographic and Geologic Survey) ; 167d. .
"Pennsylvania Geological Survey. 4th series." Text in columns. Spine title: Geology of the Richland quadrangle. On verso: Geologic map of the Richland quadrangle, Pennsylvania (58 x 44 cm. Scale 1:24,000)
a 62003066
Geology--Pennsylvania--Richland Quadrangle.
Geology--Maps.--Pennsylvania--Richland Quadrangle
Richland quadrangle, by Carlyle Gray, Alan R. Geyer, Dean B. McLaughlin. - [Harrisburg, Pennsylvania Topographic and Geologic Survey, 1958] - 1 sheet (78 x 96 cm fold. to 18 x 25 cm.) - Geologic atlas of Pennsylvania, 167D. . - Atlas (Pennsylvania. Bureau of Topographic and Geologic Survey) ; 167d. .
"Pennsylvania Geological Survey. 4th series." Text in columns. Spine title: Geology of the Richland quadrangle. On verso: Geologic map of the Richland quadrangle, Pennsylvania (58 x 44 cm. Scale 1:24,000)
a 62003066
Geology--Pennsylvania--Richland Quadrangle.
Geology--Maps.--Pennsylvania--Richland Quadrangle