[Tygart River Reservoir] End Pier Buildings, Plans & Elevations (GHG) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-034
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[Tygart River Reservoir] End Pier Buildings, Sections & Details (GHG) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-035
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[Tygart River Reservoir] End Pier Buildings, Details (GAJ) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-037
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[Tygart River Reservoir] End Pier Buildings, Reinforcing (OWJJ/SDS) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-036
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[Tygart River Reservoir] Electrical Installation, Galleries & Parapet Wall (AKG) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-031
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[Tygart River Reservoir] Needle Valve Outlet, Valve Chamber (ROD) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-020
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[Tygart River Reservoir] Slide Gate Outlets, Plan & Sections (PG) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-019
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[Tygart River Reservoir] Electrical Installation; Buildings, Galleries & Wiring Diagram (AKG/EAL) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-032
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[Tygart River Reservoir] Cover (1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C.cover
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[Tygart River Reservoir] Meteorological Data (ELH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-038
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[Tygart River Reservoir] Slide Gate and Needle Valve Outlets, Trashrack Structure (FPG, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-022
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[Tygart River Reservoir] Hydrograph 1927-1931 Incl. (ROD, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-013
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[Tygart River Reservoir] Hydrograph 1922-1926 Incl. (JAN, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-012
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[Tygart River Reservoir] Hydrograph 1917-1921 Incl. (SDS, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-011
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[Tygart River Reservoir] Dam, Typical Sections (SDS, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-018
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[Tygart River Reservoir] Dam, Stress Diagrams (CRL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-017
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[Tygart River Reservoir] Dam, Elevations & Sections (GHG/CRL/FEF, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-016
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[Tygart River Reservoir] Grouting System, Contraction Joints (FEF, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-025
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[Tygart River Reservoir] Grouting System, Diversion Conduits, Foundation Deformation Gauge (FEF, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-024
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[Tygart River Reservoir] Water Works Outlet, Trashrack Structure (FPG, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-023
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[Tygart River Reservoir] Dam, Site Map (LSM, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-003
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[Tygart River Reservoir] Dam, Property Proposed for Purchase (JAE, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-004
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[Tygart River Reservoir] Borings, Line A, Holes Numbered 18-31 (WGH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-005
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[Tygart River Reservoir] Project Location (SDS, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-002
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[Tygart River Reservoir] General Index of Drawings (FPM, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-001
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[Tygart River Reservoir] Hydrograph 1912-1916 Incl. (ROD, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-010
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[Tygart River Reservoir] Hydrograph 1907-1911 Incl. (WGH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-009
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[Tygart River Reservoir] Borings, Right Bank, Holes Numbered 6, 14, 22, 25 (WGH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-008
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[Tygart River Reservoir] Borings, Line C, Holes Numbered 2-8 (WGH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-007
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[Tygart River Reservoir] Borings, Line B, Holes Numbered 9-17, 26-27, 32-33 (WGH, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-006
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[Tygart River Reservoir] Dam, General Plan (CRL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-015
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[Tygart River Reservoir] Hydrograph 1932-1933 and Hydraulic Data (ROD, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-014
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[Tygart River Reservoir] Needle Valve Outlets, Ring Follower Gate Chamber (CRL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-021
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[Tygart River Reservoir] Galleries & Adits, Plan & Elevation (ESP/EAL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-026
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[Tygart River Reservoir] Spillway, Training Wall & Apron (FPG, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-028
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[Tygart River Reservoir] End Piers, Roadway & Parapet Wall Plans, Elevations & Sections (ESP/WOW, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-029
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[Tygart River Reservoir] Pump Chamber, Roadway & Parapet Wall Details (ESP/EAL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-030
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[Tygart River Reservoir] Galleries, Sections (ESP/EAL, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-027
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[Tygart River Reservoir] Stairwell to Operating Gallery; Plans, Elevations & Sections (ESP/FPG, 9/1/1934) Cret Collection, Athenaeum of Philadelphia. Local ID #: USE037C-033
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