crescentic fracturecrescentic gougecrescentic scourcressidacrestcrest control gatecrest elevationcrest elevation of damcrest gatecrest linecrest planecrest sharp of over flow spillwaycrest surfacecretcretacretaceous period or cretaceous or cretaceouscretificationcretinismcretioncreusauxcrevassecrevice karst or karst or karstcriascribcrib and deck damcrib wallcribbiugcribellum or cribella or cribellacribratecrichtonitecricketcricocalthropcriddleitecriecrimpcrinanitecrinkled beddingcrinoidcrinoidal limestone or limestone or limestonecrinozoacrinozoancrique glaciercriquinacriquinitecrisscross beddingcrista or cristae or cristaecristal or de or rochecristatecristobalite or kristobalite or kristobalitecritical angle