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Library / Earth / Mineral Survey Procedures Guide, 1980 / Braille

Mineral Survey Procedures Guide, 1980 ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

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234,246 braille cells · 235 embossed pages at 40×25 · 19,259 unrepresentable characters omitted

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These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.