GEOLOGIC correlation 
263 
Gmdaloupan Series, Girty. (Am. Jour. Sci. (4), Vol. XIV, p. 363, 
1902.) 
Hawkins Limestones. Important calcareous beds of Mid Cambric 
age which are intercalated in the basal section of quartzites exposed in 
Grant county. 
Honten Sandstones. Middle sandy portion of the Raton series in 
northeastern New Mexico. 
Jornadan Series. Principal intermont plains soils and surface 
deposits. 
Kelly Limestones, Herrick. (American Geologist, Vol. XXXIII, p. 
310, 1904.) Synonymous with Lake Valley limestones. 
Kiowa Shales, Cragin. (Colorado College Studies, Vol. V, p. 49, 
1894.) Main body of Comanchan shales well exposed in northeastern 
New Mexico and southwestern Kansas. 
Ladronesan Series, Keyes. (Journal of Geology, Vol. XIV, p. 154, 
1906.) Remnant of coal-bearing formation which is to be correlated 
with the Arkansan series of the Mississippi valley. 
La Jara Shales. Thick, uppermost black shales section of the Colora- 
dan series around the southern end of the Rocky mountains. 
Lake Valley lAmestones, Keyes. (Rept. Governor of New Mexico to 
Secretary of Interior, for 1903, p. 341, 1904.) Main body of Early Car- 
bonic section exposed typically at Lake Valley and elsewhere in the 
Mimbres region. 
La Plata Sandstones, Cross and Spencer. (U. S. Geol. Surv., Folio 
60, p. 3, 1889.) 
Laramian Series, White. (Bull. U. S. Geol. and Geog. Surv. Terr., 
Vol. Ill, p. 625, 1877.) 
Le Roux Shales, Ward. (Am. Jour. Sci. (4), Vol. XII, p. 401, 1901.) 
Lewis Shales, Cross and Spencer. (U. S. Geol. Surv., Folio 60, p. 
4, 1899.) 
Llano Estacado Sands, Hill. (Bull. Geol. Soc. America, Vol. Ill, p. 
87, 1892.) Mainly the Pliocene deposits of eastern New Mexico and 
western Texas. 
Lone Quartzite. Late Cambric section of alternating quartzites and 
metamorphosed limestones well displayed in Lone inountain, near Sil- 
ver City. 
Lunasan Series. Main limestone sequence in the Manzano moun- 
tains. 
Maderan Series, Keyes. (Rept. Governor of New Mexico to Secretary 
of Interior, for 1903, p. 341, 1904.) Uppermost gray limestone sequence 
below the red-beds in the Sandia mountains. 
