Trackwork plans.

[Chicago, Ill. : American Railway Engineering Association, c1921]

Title from cover.

At head of title: American Railway Engineering Association; supplement to manual, 1921; Committee on Track.

Includes index.

Railroad engineering.

Railroads -- Track.

Railroads -- Design and construction.

American Railway Engineering Association. Committee on Track.

Manual of the American Railway Engineering Association. Supplement.

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