170 
THE UNITED STATES GEOLOGICAL SURVEY, 
[bull. 227. 
Published topographic alias sheets, arranged l>;/ Slates — Continued. 
MARYLAND— Continued. 
Name of atlas sheet. 
Position of SK. 
corner of sheet. 
Lat. 
Long. 
o / 
o / 
39 00 
77 00 
38 00 
77 00 
39 30 
78 45 
39 30 
79 00 
38 00 
75 00 
39 15 
76 15 
39 30 
78 00 
39 00 
77 30 
39 30 
76 00 
39 00 
76 45 
38 15 
76 30 
38 00 
76 45 
38 30 
77 00 
38 15 
75 45 
38 00 
76 30 
39 00 
76 15 
39 15 
79 15 
38 15 
75 00 
38 45 
76 30 
39 30 
76 30 
38 30 
76 30 
39 30 
78 15 
39 00 
79 00 
38 00 
76 30 
38 15 
75 15 
38 00 
76 15 
38 30 
76 30 
38 00 
75 30 
39 00 
76 30 
39 00 
78 30 
38 15 
75 30 
38 00 
76 00 
38 45 
76 00 
38 30 
76 15 
38 00 
75 15 
39 00 
76 00 
38 45 
76 45 
38 15 
76 45 
Area covered. 
Contour 
interval. 
Scale. 
Frederick (Md.-Va. ) 
Fredericksburg (Va.-Md. ) 
Frostburg (Md.-W. Va.-Pa.) 
Grantsville (Md.-Pa.) 
Green Run (Md.-Va.) 
Gunpowder a 
Hancock (Md.-W. Va.-Pa.) 
Harpers Ferry (Va.-W. Va.-Md.) 
Havre de Grace ( Md.-Pa. ) 
Laurel 
Leonardtown & 
Montross ( Va.-Md. ) & 
Mount Vernon (Va.--Md.-D. C.) c 
Nanticoke 
Nomini (Md.-Va. )b 
North Point « 
Oakland (Md.-W. Va.) c 
Ocean City (Md.-Del. ) 
Owensville d 
Parkton (Md.-Pa.) 
Patuxent (Md.-D. G.)d 
Pawpaw (Md.-W. Va.-Pa.) 
Piedmont ( W. Va.-Md. ) c 
Piney Point (Md.-Va. ) & 
Pittsville (Md.-Del.) 
Point Lookout (Md.-Va.) e 
Prince Frederick d 
Princess Anne ( Md.-Va. ) 
Relay 
Romney ( W. Va.-Va.-Md. ) 
Salisbury (Md.-Del. ) 
St. Mary (Md.-Va.)e 
St. Michaels/ 
Sharps Island / 
Snow Hill (Md.-Va.) 
Tolchester a 
Washington (D. C.-Md.-Va.) (double 
sheet) . d 
Wicomico (Md.-Va.) & 
\ degree . . 
....do.... 
A degree . 
....do.... 
....do.... 
....do.... 
....do.... 
i degree . . 
J B degree . 
....do.... 
....do.... 
....do.... 
i degree . . 
J B degree . 
| degree . . 
T : g degree . 
....do.... 
....do.... 
....do.... 
....do.... 
I degree . . 
Jg degree . 
I degree . . 
Jg degree . 
....do.... 
do.... 
do 
do 
do 
i degree 
& degree... 
I degree 
J g degree . . . 
do 
do 
\ degree 
} degree 
T >g degree . . . 
Feet. 
50 
50 
20 
20 
10 
20 
20 
100 
20 
20 
20 
20 
50 
10 
20 
20 
20 
10 
20 
20 
20 
20 
100 
20 
10 
20 
20 
10 
20 
100 
10 
20 
20 
None. 
10 
20 
20 
20 
1 : 125000 
1:125000 
1 : 62500 
1:62500 
1 : 62500 
1 : 62500 
1 : 62500 
1:125000 
1:62500 
1 : 62500 
1:62500 
1 : 62500 
1 : 125000 
1 : 62500 
1 : 125000 
1 : 62500 
1 : 62500 
1 : 62500 
1 : 62500 
1:62500 
1:125000 
1:62500 
1 : 125000 
1:62500 
1:62500 
1:62500 
1 : 62500 
1 : 62500 
1:62500 
1 : 125000 
1 : 62500 
1 : 125000 
1 : 62500 
1:62500 
1:62500 
1 : 125000 
1:62500 
1 : 62500 
MASSACHUSETTS. 
Abington . . 
Barnstable 
Barre 
42 00 
70 45 
41 32 
70 15 
42 15 
72 00 
J 5 degree 
do... 
do... 
1:62500 
1:62500 
1:62500 
aBetterton, Chestertown, Gunpowder, and North Point sheets, on scale of 1 : 62500, have been 
reduced and form Tolchester sheet, on scale of 1 : 125000. 
b Leonardtown, Montross, Piney Point, and Wicomico sheets, on scale of 1 : 62500, have been reduced 
and form Nomini sheet, on scale of 1 : 125000. 
c The west half of Washington sheet shows part of Mount Vernon quadrangle on larger scale; Oak- 
land sheet shows part of Piedmont quadrangle on larger scale. 
dBrandywine, East Washington, Owensville, and Prince Frederick sheets, on scale of 1:62500, have 
been reduced and form Patuxent sheet, on scale of 1:125000. 
e Bloodsworth Island, Drum Point, and Point Lookout sheets, on scale of 1 : 62500, have been reduced 
and form parts of St. Mary sheet, on scale of 1 : 125000. 
/Annapolis, St. Michaels, and Sharps Island sheets show parts of Choptank quadrangle on larger 
scale. 
