LEADER 02294oam 2200601 450 001 9910689831703321 005 20180215112542.0 035 $a(CKB)5470000002333056 035 $a(OCoLC)896810372 035 $a(OCoLC)995470000002333056 035 $a(EXLCZ)995470000002333056 100 $a20141123d1976 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aNorth American species of Tempskya and their stratigraphic significance /$fby Sidney R. Ash and Charles B. Read; with a section on stratigraphy and age of the Tempskya-bearing rocks of southern Hidalgo County, New Mexico, by Robert A. Zeller, Jr 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1976. 215 $a1 online resource (iii, 42 pages) $cillustrations, maps 225 1 $aGeological Survey professional paper ;$v874 300 $aTitle from title screen (viewed October 2, 2014). 300 $a"A description of two new species of the Early Cretaceous tree fern Tempskya and a discussion of the characters and distribution of the other North American species." 320 $aIncludes bibliographical references (pages 36-40) and index. 606 $aPaleobotany$yCretaceous 606 $aPaleobotany$zNew Mexico$zHidalgo County 606 $aFerns, Fossil 606 $aGeology, Stratigraphic$yCretaceous 606 $aCretaceous Geologic Period$2fast 606 $aGeology, Stratigraphic$2fast 606 $aPaleobotany$2fast 607 $aNew Mexico$zHidalgo County$2fast 615 0$aPaleobotany 615 0$aPaleobotany 615 0$aFerns, Fossil. 615 0$aGeology, Stratigraphic 615 7$aCretaceous Geologic Period. 615 7$aGeology, Stratigraphic. 615 7$aPaleobotany. 700 $aAsh$b Sidney R.$f1928-$01387327 702 $aRead$b C. B. 702 $aZeller$b Robert A. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bWAU 801 2$bGPO 906 $aBOOK 912 $a9910689831703321 996 $aNorth American species of Tempskya and their stratigraphic significance$93520010 997 $aUNINA