	*Jones, Jeri L., Goodman, Jan (1980) The Iron Mines of Dillsburg, Pennsylvania. Rocks & Minerals, 55 (4) 153-157 doi:10.1080/00357529.1980.11764650*	Journal (article/letter/editorial)
	The Iron Mines of DiDsburg, Pennsylvania Pennsylvania is known for three types of iron deposits: limonite...Cornwall-type iron deposits described in this article. JERI L . JONES P.O. Box 1962 York, Pennsylvania 17405...17405 JAN GOODMAN Kenray Avenue Dover, Pennsylvania 17315 1908, p. 7 4 ) . The ore, in the form o f magnetite...horse to Dillsburg, where it was distributed for use in various furnaces in central Pennsylvania (Frazer...the Logan-Longnecker, Underwood, McCormick, Smyser, King, Washington, and the Jauss mines. Geology The
	*(1950) Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania. Bulletin* Vol. 969. US Geological Survey doi:10.3133/b969a**	Report (volume)
	Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania, by Preston E. Hotz_____________________...Klepper_________________________ (D) The Blewett iron-nickel deposit, Chelan County, Washington, by Carl A. Lamey_--...ILLUSTRATIONS Page PLATE 1. Map of southeastern Pennsylvania showing distribution of Triassic sedimentary...northwestern York County, Pa__________ In pocket 3. Geologic map of Dillsburg iron district, York County, Pa_...sections of Dillsburg district.__________________ In pocket 5. Geologic section through Bureau of Mines drill
	Robinson, Gilpin R., Sears, C.M. (1992) Inventory of metal mines and occurrence associated with the early Mesozoic basins of the Eastern United States; II, occurrence descriptions and summary tables. Open-File Report Vol. 1992 (92-448) US Geological Survey doi:10.3133/ofr92448	Report (issue)
	INTERIOR U.S. GEOLOGICAL SURVEY Inventory of Metal Mines and Occurrences Associated with the early Mesozoic...the U.S. Government. 1992 INVENTORY OF METAL MINES AND OCCURRENCES ASSOCIATED WITH THE EARLY MESOZOIC...Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude ................. .14 VII. Table 1: Inventory of metal mines and occurrences associated with the early Mesozoic...Occurrences located in the Newark basin and vicinity, Pennsylvania ..................... 110 F. Section F: Occurrences
	Lapham, Davis M., Geyer, Alan R. (1976) Bulletin (G33), Mineral Collecting in Pennsylvania (4th ed.) Pennsylvania Geological Survey	Report (edition)
	PENNSYLVANIA STATE LIBRARY OF 0144 00141189 1 v < 2 £ m- c oi; c» tts“S S Si! at tss^s isl^j...1 ' s WJ= ~S 5! s „3 &«eq Sjg® . . PENNSYLVANIA* 1 .8 ^2»SS 3 d 5-s &s z l\|lt« 7* < OF ...GEOLOGY REPORT 1976 33 MINERAL COLLECTING IN PENNSYLVANIA by Alan R. Geyer Robert C. Smith, John H....Graphics by Albert E. VanOlden COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL RESOURCES TOPOGRAPHIC...II Copyrighted 1976 by the Commonwealth of Pennsylvania Quotations from this book may be published if
	*(1988) Studies of the early Mesozoic Basins of the Eastern United States. Bulletin* Vol. 1776. US Geological Survey doi:10.3133/b1776**	Report (volume)
	StatesCongresses. 4. Mines and mineral resources-Northeastern StatesCongresses. 5. Mines and mineral resources-Middle...of the northern Newark basin, New Jersey and New York 31 By R.A. Parker, H.F. Houghton, and R.C. McDowell...Palisades siii to the lava flows at Ladentown, New York, based on new core data 113 By Nicholas M. Ratcliffe...diabase, west-central New Jersey and eastern Pennsylvania 141 By Jonathan M. Husch An overview of early...faulting and diabase intrusion, Newark basin, Pennsylvania 176 By Nicholas M. Ratcliffe and William C.
	*Wertz, Vernon (1967) Current Events. Rocks & Minerals, 42 (9) 680-686 doi:10.1080/00357529.1967.11765414*	Journal (article/letter/editorial)
	22207 TREASURER Carl Krotki 140 West End Avenue New York, N . Y . 10023 1ST VICE-PRESIDENT Mrs. D. E. Jensen...Gem, Lapidary and Mineral Society of Montgomery County. Her subject was pointers on collecting and collecting...Baltimore had a field trip to the Mt. View Lead Mine at ROCKS AND MINERALS Union Bridge, Maryland ....Carolina Mineral Club, Inc., went to the Silver Hill Mine near Asheboro . . . . The Richmond Gem and Mineral...which the Alaska Club conducted . . . To look for datolite and other goodies the Nashoba Valley Mineral Society
	*(1965, June) Rocks & Minerals* Vol. 40 (6) Informa UK Limited**	Journal (issue)
	Fluorite Crystals with Galena Crystals, Socorro County, N. Mex. A very fine selection in stock. Crystals...Mineral Show New York Trade Show Building 500 EIGHTH AVENUE (AT 35th ST.) NEW YORK, N. Y. 10018 JULY...Lapidary Cr Gem Society of New York, Inc. Hotel Paris, 752 West End Avenue New York, N. Y. 10025 Tel. Riverside...(chalcedony pseudomorph after coral) from Hamilton County, Florida, near the famous Suwannee River. This...SAPPHIRE mine will be open to Rockhounds. Write for information! Dungannon Sapphire Mines 3ox 192, R

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Datolite from Longnecker Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA

Datolite from
Longnecker Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA