NORTH EASTERN COAL-FIELDS. 
57 
Shelf IX. 
Vorksbire. — Southern District. 
The ‘‘ Swallow Wood Mine,” 
Milton :— 
770. Flats. 
771. Bottom Measure. 
771a. “Lidgate White Bed.” 
Elsecar Iron Works. 
Presented by Messrs. Woodlioiise and 
Jeffcock. 
The “ Tankersley Aline,” 3Iil- 
ton :— 
772. Middles. 
773. Bottom Measure. 
773a. ‘‘ Tankersley New Aline.” 
Strafford Colliery. 
Presented by Alessrs. Woodhouse and 
Jeffcock. 
The Thorncliffe ” or “ Old 
Black Mine,” Parkgate :— 
774. Balls. 
.775. Holing Aleasure. 
Wall-case 56. 
Shelf I. 
The “ Thorncliffe White Aline,” 
Parkgate :— 
776. Flats. 
777. Balls. 
The “ Clay Wood ” or “ Black 
Aline,” Parkgate :— 
778. Balls. 
779. AVhetstone. 
780. Argillaceous Ironstone, A. 
(with bivalve shells, unios, &c.), 
called the “ Black ” or Alussel- 
band.” 
781 to 783. Argillaceous Iron¬ 
stone, B. 
784 to 786. Argillaceous Iron¬ 
stone, C. 
- JVos. 780 to 786 from the Elsecar 
Iron Works, near Rotherham, 
Yorkshire. 
Presented by J. Harlop. 
Of these A. is the best ore, used 
in the proportion of 9 to 1 * 5 of the 
ore B. to make “fluid iron,” and 
9 to 2*5 of the ore C. to make 
“ strong iron.” 
Shelf II. 
Derbysbire, 
Many of the following ironstones 
contain bivalve shells, chiefly An- 
thracosia ( Cardinia) hipennis. 
“ Measure and Balls Rake” Stave- 
ley 
787. Whetstone. 
788. Flampards. 
789. Cub. 
790. First Balls. 
791. Flat Balls. 
792. Bottom Measure. 
793 & 794, “ Swallow Wood 
Rake.” 
Stanton. 
The “ Tan Yard ” or “ Pender 
, Park Rake,” Staveley :— 
795. Red Measure. 
796. Balls. 
797. Cockle. 
The “ Buff ” or “ Cement Rake,” 
Alf reton :— 
798. Top Aleasure. 
799. Balls. 
800. Bottom Measure. 
Shelf III. 
The “ Brown Rake,” Butterley :—. 
801. Balls. 
802. Top Aleasure. 
803. Bottom Measure. 
The “ Black Rake,” Butterley :— 
804. Top Aleasure. 
805. Bottom Aleasure. 
806. Poor Rake. 
Alfreton. 
807. “ Blue Rake.” 
Butterley. 
807a. “ Blue Rake ” (ball mea¬ 
sure), 160 yards deep. 
Oakerthorpe Colliery. 
Presented by Messrs. AVoodhonse and 
Jeffcock, 
