looking for drawings of Reading hopper 60000 - 60999



one of my friends is modeling the early 20th century and is interested to build a model of one of the series of 1000 cars of 1902-built Reading wooden coal hoppers #60000 - 60999. I have a picture of #61171 after rebuilding in 1921 (and renumbering, seemingly), but likely it would be wrong to post it here as it is a book scan. I could email it, though.
Does anyone have information of these cars or can point me to some? No matter if original or modernized configuration.

Many thanks and greetings

Modeling the early post-war years up to about 1953

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