A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

abrasion: 30

Adair, John: 6

“Age of Mammals”: 27

alabaster: 17

ancient man in Palo Duro Canyon: 3

anhydrite: 18

anticlines: 18

Apaches: 1, 3

aquifer: 26

Arapahos: 3

Archeozoic rocks: 13

B

“blow sand”: 28

bottom load: 29

Brazos River: 8

Buettneria: 22, 23, 24

C

calcite: 22

caliche: 26

camels: 27

camping and picnicking: 43

Canyon, Texas: 45

Capitol Peak: 1, 18, 19, 31, 40, 42

Carboniferous Period: 16

Catarina Cave: 19, 37, 38

chemical weathering: 30

chert: 26

Cheyennes: 3

Civilian Conservation Corps: 8

Colorado River: 8

comancheros: 6, 46

Comanches: 1, 3

concretions: 22

conglomerate: 24

coprolites: 22

Coronado, Francisco Vasquez de: 3

Coronado Lodge: 1, 21, 26, 33, 34

“Cow Cabins”: 41

cross-bedding: 19, 20

cross-stratification: 19

D

decomposition: 30

Devil’s Slide: 19, 40, 44

Devil’s Tombstone: 40

differential erosion: 31, 41

disintegration: 30

dugout, Col. Charles Goodnight’s: 39, 40

E

earth history: 10-12

Eastern Caprock Escarpment: 8

erosion, differential: 31, 41

F

flash floods: 29

fluorescence: 26

fluvial sediments: 24

Fortress Cliff: 1, 40, 42

fossils: 10

frost wedging: 30

G

geodes: 22

geologic column: 12

geologic time scale: 11, 12

geomorphologist: 29

Goodnight, Colonel Charles: 1, 39, 40

gypsum: 17

H

Harper, Mrs. Ples: 35

hematite: 22

Hester, W. A.: 1

High Plains: 8

hiking: 43

history of park: 3-8

“hoodoos”: 23, 31

Horn, Ron: 35

horseback riding: 43

horses: 27

hydration: 18, 31

hydraulic action: 30

I

Ice Age: 3

igneous rocks: 10

Indian campground: 39

Indians of the Plains: 3

J

JA Ranch: 6

K

Kiowas: 1, 3

L

Lighthouse, The: 23, 25, 39, 41

Little Sunday Canyon: 39

Llano Estacado: 8

M

Mackenzie, Colonel Ranald: 3

mammals: 27

Marcy, Captain R. B.: 6

mass-wasting: 31

mastodon, shovel-jawed: 27

mechanical weathering: 30

metamorphic rocks: 10

mortar hole: 25

O

Observation Point: 33

Ogallala Formation: 21, 23-27, 42

opal: 26

oxidation: 31

P

Paleozoic Era: 13

Palo Duro Canyon State Park: 7, 14, 45

Panhandle-Plains Historical Museum: 2, 27, 45-46

Park Entrance: 33

park history: 3-8

Park Road 5: 33, 38, 50

Parker, Chief Quanah: 7

Pecos River: 8

pedestal rock: 25

petrified wood: 22

photography: 43

phytosaurs: 22

picnicking and camping: 43

Pioneer Amphitheatre: 33-34

Plains Indians: 3

Pleistocene rocks: 28

time: 3

Pliocene Epoch: 27

Prairie Dog Town Fork of the Red River: 1, 29, 39

Precambrian rocks: 13

principle of superposition: 13

Proterozoic rocks: 13

psilomelane: 22

Q

Quartermaster Formation: 12, 17-19, 20, 21, 31, 36, 37, 42, 44

R

Red River: 8, 29

reduction halos: 19, 20

ripple marks: 19

Rock Garden, The: 23, 40, 43

Rocky Mountains: 24

S

saber-tooth cat: 27

Sad Monkey, Texas: 36

Railroad: 6, 20, 23, 35

Santana’s Face: 23, 37, 38

satin spar: 17

Scenic Drive, The: 33

sedimentary rocks: 10

sediments: 10

selenite: 17

septaria: 22

septarian concretions: 22

shovel-jawed mastodon: 27

Sky Ride, The: 37

Sleeping Indian: 40, 42

sloths: 27

siliceous rocks: 27

solution: 29

Spanish Skirts: 19, 37

suffosian: 19

Sunday Canyon: 40

superposition, principle of: 13

suspension: 29

synclines: 18

T

talus: 31

talus slopes: 31

Tecovas Formation: 19-22, 36, 37, 42, 44

Texas Panhandle: 9

Texas Panhandle Heritage Foundation, Inc.: 35

Texas Parks and Wildlife Department: 2

Texas-Santa Fe Expedition: 6

Timber Mesa: 1, 23, 37, 38

time scale, geologic: 11, 12

tortoises: 27

Triassic Peak: 1, 35

Trujillo Formation: 20, 21, 22-23, 36, 38, 42, 43

Turnaround, The: 1, 41, 44

U

unconformities: 21

W

water crossings: 39

weathering: 30

West Texas State University: 45

Wolfin, Charles A.: 1