sand and very coarse sand measurement limits for granulespebblescobbles and ... boulders indicated don t leave for the field without this usefultool ... bay shoreline in quebec 020rockcp 19 x 36 $14.95 member teacher price $9.95 ... completegeologic time scalealthoughlegible the printing on the time scale is small ... our walletsized version sturdy 20-milx 2 1/2 x 6 1/2 tan vinyl printed in ... 118 p softcover perfect bound 3 5/8 x 5 format isbn 9-932653-29-4 $7.95 ... c2 3a 4 c3 cretaceous 5 2a c2a 3 c3a c4 l piacenzian zanclean messinian 29 c29 30 ... 31 c30 32 33 c31 c32 c33 maastrichtian late e 80 campanian santonian coniacian ... 99.0 1 1 1 1 4 1 4a c4a neogene 10 5 5a l tortonian 11.2 c5 90 miocene c5a ...