Identifier

GNIS Feature ID 465429

Location

State Iowa

County Johnson

Feature Class Populated Place

Coordinates

DMS

41°46'28"N 91°39'59"W

Decimal Degrees

41.7744558, -91.6662849

Elevation

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USGS 7.5′ Quad Map

Quad Name Swisher

Protected Areas

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Nearest Populated Place

Curtis (historical)

2.2 mi NNE

Hydrography

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Green Castle (historical) is a populated place located in Johnson County, Iowa. It appears on the Swisher USGS 7.5-minute topographic quadrangle.