wabman.] MAP, TOPOGRAPHIC MASSACHUSETTS. 139 
Maryland; Hint and feldspar, production of ..MR 1900, p 895; MR 1901, pp 936, 938 
geography of Catoctin belt Ann 14, n, pp 293-296 
of Fredericksburg quadrangle OF 1 3, p 1 
of Harpers Ferry quadrangle GF 10, p 1 
of Nomini quadrangle GF 23, p 1 
of Piedmont quadrangle .. .GF 28, p 1 
of Washington quadrangles GF 70, p 1 
geologic and paleontologic work in Ann 22, i, pp 63-64, 68, 70; Ann 28, p 37 
gold and silver from, statistics of MR 1900, 
pp 110, 112, 113; MR 1901, pp 121, 124, 125, 126 
granite production of MR 1900, 
pp 662, 663, 664, 665; MR 1901, pp 643, 644, 645, 651, 652, 653 
iron and steel from, statistics of MR 1900, 
pp 43, 57, 1)1 i. 100; MR 1901, pp 45, 63, 76, 91 
limestone production of MR 1900, pp 662, 
685, 686, 687, 689; MR 1901, pp 643, 645, 667, 668, 66*9, (170 
maps, topographic, of. (See p. 23 of this bulletin.) 
marble production of MR 1900, 
pp 662, 682, 683, 684; MR 1901, pp 643, 645, 664, 065 
mineral springs of MR 1900, pp 901 , 902; M R 11)01 , pp 962, 964 
M< »nocacy River, flow of, measurement of Ann 22, 
iv, pp 139-140; WS 48, p 125; WS 65, pp 234-235; WS 75, p 40 
Patapsco River, flow of, measurement of Ann 22, 
iv, p 130; WS 48, p 115; WS 65, p 228; WS 75, p 38 
Potomac River, flow of, measurement of Ann 22, iv, pp 131-144; WS 48, 
pp 115-117, 121-124; WS 65, pp 233-^234; WS 75, pp 39 40 
sandstone production of MR 1 900, 
pp 662, 670, 671, 672; MR 1901, pp (548, 645, 656, 657, 658, 659 
slate production of MR WOO, pp 662, 677,678,680; MR 1901, pp (148, 644, 660 
topographic work in Ann 22, I, pp 137, 138, 140, 149-150, 172; Ann 2:',. p 127 
cooperation of State in Ann 22, i, pp 1 ! I, 29 
topography of Fredericksburg quadrangle GF 1 3, p 1 
of Nomini quadrangle GF 23, p 1 
of Piedmont quadrangle GF 28, p 1 
of Washington quadrangles GF 70, p 1 
Youghiogheny River, flow of, measurement of Ann 22, 
iv, p 220; WS 48, pp 176-177; WS 65, p 289; WS 75, p 1)9 
Maryville limestone of Tennessee GF 75, p 2 
Mascall formation of Oregon, John Day Basin Bull 204, p 19 
Masontown and Uniontown quadrangles, Pennsylvania, geology of GF 82 
Massachusetts; Assabet River, quality of water of WS 79, pp 44-45 
Blackstone River, quality of water of WS 79, pp 60-68 
borings, deep, in, list of WS 57, p 51 
building stone from, statistics of. .MR 1900, p 662 et seq; MR 1901, p 644 et seq 
Chicopee River and tributaries, quality of water of WS 79, pp 77-85 
clay deposits and industry of PP 11, pp 49, 149-153 
clay products of, statistics of MR 1900, 
p 695 et seq; MR 1901, p 674 et seq; PP 11, pp 152-153 
Cochituate Lake, rainfall and run-off in watershed of WS 65, p 26 
rainfall, run-off, and evaporation in basin of WS 80, pp 68, 69, 88-89, 99 
run-off from watershed of WS 47, pp 33-34 
coke m, manufacture of. .MR 1900, pp 462 et seq, 498; MR 1901, pp 454 et seq, 523 
Concord River, quality of water of WS 79, pp 39-40, 45 
corundum in Bull 1 80, p 82 
