[Penrose Avenue Bridge] East Approach Details (4/23/1946) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK26
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[Penrose Avenue Bridge] East Approach Details (4/12/1946) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK23
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[Penrose Avenue Bridge] Cellular Approach (4/4/1946) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501.503
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[Penrose Avenue Bridge] Elevation of Piers IV and E1 (12/13/1945) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK18
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[Penrose Avenue Bridge] Elevation (LHV, 11/9/1945) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501.513
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[Penrose Avenue Bridge] (HJB, 7/21/1945) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501.515
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[Penrose Avenue Bridge] Study of West Cellular Approach (6/5/1945) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK12
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[Penrose Avenue Bridge] Side Elevation Pier IV (5/15/1943) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK4
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[Penrose Avenue Bridge] Pier IV (Land Side) (5/15/1943) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK6
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[Penrose Avenue Bridge] Pier IV River Side (5/15/1943) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK7
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[Penrose Avenue Bridge] (5/15/1943) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK3
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[Penrose Avenue Bridge] Girder Pier (4/21/1943) Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK2
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[Penrose Avenue Bridge] Alternate Scheme Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501-SK1
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[Penrose Avenue Bridge] Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501.500
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[Penrose Avenue Bridge] Cret Collection, Athenaeum of Philadelphia. Local ID #: CRE501.501
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