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17MB PDF - Association for Mexican Cave Studies

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GENERALIZED RELATION BE TWEENVEGETATION, RAI NFALL, TOPOGRAPHY, AND SPELEOGENESISoftheSIERRA MADRE ORIENTAL, NORTHEASTERN MEXICODesertDryLocally high reliefInfrequent roomsBrushModerate rainfallHigh reliefSome stream captureForestWetHigh reliefNumerous pitsBrushModerate rainfallModerate reliefFrequent stream captureWestEast~windI:11-------1Zone of Horizontal I _~ __ j>evelopment -:-------~ I.. Explored passage- - - Probable passage-?- Hypothetical passageCoastalPlainGulf ofMexicoASSOCIATION FOR MEXICAN CAVE STUDIES

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