River Habitat Survey manuals and spot-check key.
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RHS Manual 2003 Version 1 (2018) with photo gallery |
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RHS form 2003 Version 1 (2018) and spot-check key
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Spot-check key update (2021)
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Other resources:
RHS 1997 manual translated in French
RHS 1997 form and spot-check key translated in French
RHS 1997 manual translated in German