1► Pennsylvania, Mercer County, Carlton — Carlton Bridge —

2► Pennsylvania, Mercer County, Charleston — Clay Furnace —

3► Pennsylvania, Mercer County, Clark — Albert Bushnell Hart —

4► Pennsylvania, Mercer County, Greenville — Amelia Earhart Drive —

5► Pennsylvania, Mercer County, Greenville — Bessemer Caboose #1985 —

6► Pennsylvania, Mercer County, Greenville — Bessemer Ore Jenny #20567 —

7► Pennsylvania, Mercer County, Greenville — Bigler Graves —

8► Pennsylvania, Mercer County, Greenville — Camp Reynolds —

9► Pennsylvania, Mercer County, Greenville — Dwarf Signal Light —

10► Pennsylvania, Mercer County, Greenville — Erie 40' Flatcar #8200 —

11► Pennsylvania, Mercer County, Greenville — First Sunday School in Mercer County —

12► Pennsylvania, Mercer County, Greenville — Mile Post —

13► Pennsylvania, Mercer County, Greenville — Phone Box —

14► Pennsylvania, Mercer County, Greenville — Position Signal Light —

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15► Pennsylvania, Mercer County, Greenville — Railroad Crossing Lights —

16► Pennsylvania, Mercer County, Greenville — Semaphore Signal —

17► Pennsylvania, Mercer County, Greenville — Steam Engine #304/604 —

18► Pennsylvania, Mercer County, Greenville — Štefan Banič — (1870-1941) — Parachute Inventor —

19► Pennsylvania, Mercer County, Greenville — Switch Stand —

20► Pennsylvania, Mercer County, Greenville — The Chicago Bridge & Iron Company — Greenville Plant — 1911-1983 —

21► Pennsylvania, Mercer County, Greenville — Union Pacific Caboose #25437 —

22► Pennsylvania, Mercer County, Greenville — Wheeling & Lake Erie Caboose #0205 —

23► Pennsylvania, Mercer County, Greenville — Whistle Post —

24► Pennsylvania, Mercer County, Greenville — Wreck Train Chain —

25► Pennsylvania, Mercer County, Greenville, Pymatuning Township — Kidd's Mill Covered Bridge —

26► Pennsylvania, Mercer County, Grove City — "Here's Howe" —

27► Pennsylvania, Mercer County, Grove City — "The Voice of Grove City" —

28► Pennsylvania, Mercer County, Grove City — Bashline-Rossman Hospital —

29► Pennsylvania, Mercer County, Grove City — Beginnings of Radio in Grove City —

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30► Pennsylvania, Mercer County, Grove City — Brevet Brigadier General Norman J. Maxwell —

31► Pennsylvania, Mercer County, Grove City — Charlie Ray — 1886 - 1935 — In Loving Memory of —

32► Pennsylvania, Mercer County, Grove City — Company M, 112th Infantry Regiment, in World War I —

33► Pennsylvania, Mercer County, Grove City — Cunningham Memorial Park —

34► Pennsylvania, Mercer County, Grove City — DeFrance Drug Store History —

35► Pennsylvania, Mercer County, Grove City — Dotty McGill School of Dance —

36► Pennsylvania, Mercer County, Grove City — Dr. John M. Martin —

37► Pennsylvania, Mercer County, Grove City — Founding of Grove City —

38► Pennsylvania, Mercer County, Grove City — French "75" —

39► Pennsylvania, Mercer County, Grove City — George Junior Republic —

40► Pennsylvania, Mercer County, Grove City — Grove City College Original Campus —

41► Pennsylvania, Mercer County, Grove City — Grove City Hospital —

42► Pennsylvania, Mercer County, Grove City — Grove City National Boys and Girls Purebred Calf Club —

43► Pennsylvania, Mercer County, Grove City — Grove City Newspaper History —

44► Pennsylvania, Mercer County, Grove City — Grove City's Volunteer Fire Service —

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45► Pennsylvania, Mercer County, Grove City — History of Burdicks Men’s Clothing Store —

46► Pennsylvania, Mercer County, Grove City — History of Grove City —

47► Pennsylvania, Mercer County, Grove City — History of Grove City —

48► Pennsylvania, Mercer County, Grove City — History of Grove City —

49► Pennsylvania, Mercer County, Grove City — History of Grove City —

50► Pennsylvania, Mercer County, Grove City — Incorporation of Grove City Borough —

51► Pennsylvania, Mercer County, Grove City — J. Howard Pew — 1882 - 1971 —

52► Pennsylvania, Mercer County, Grove City — James G. Bell —

53► Pennsylvania, Mercer County, Grove City — James V. Perry and WEDA-FM —

54► Pennsylvania, Mercer County, Grove City — Jerry C. Taylor —

55► Pennsylvania, Mercer County, Grove City — Joden Jewelers —

56► Pennsylvania, Mercer County, Grove City — Joseph D. Monteleone —

57► Pennsylvania, Mercer County, Grove City — Joseph Foster —

58► Pennsylvania, Mercer County, Grove City — Margaret Simpson Guinnip —

59► Pennsylvania, Mercer County, Grove City — McBride & McBride, Attorneys —

60► Pennsylvania, Mercer County, Grove City — McMullen Travel —

61► Pennsylvania, Mercer County, Grove City — Montgomery Broom Factory —

62► Pennsylvania, Mercer County, Grove City — Pine Grove Golf Course —

63► Pennsylvania, Mercer County, Grove City — Pine Grove Normal Academy —

64► Pennsylvania, Mercer County, Grove City — Pioneer Aviator Earl Saundt's Demise —

65► Pennsylvania, Mercer County, Grove City — Police Chief Charles "Charlie" Ray —

66► Pennsylvania, Mercer County, Grove City — Pythagorean 𝜋 — Sculptor Peter Calaboyias —

67► Pennsylvania, Mercer County, Grove City — Rolland E. English —

68► Pennsylvania, Mercer County, Grove City — Ruth Daugherty Eccles —

69► Pennsylvania, Mercer County, Grove City — Site of First Building —

70► Pennsylvania, Mercer County, Grove City — Slippery Rock & Grove City Railway —

71► Pennsylvania, Mercer County, Grove City — Susan Eccles O'Kane —

72► Pennsylvania, Mercer County, Grove City — Ted Hines and Pine Instrument Company —

73► Pennsylvania, Mercer County, Grove City — The Grove City Honor Roll —

74► Pennsylvania, Mercer County, Grove City — The Railroad and Pine Grove —

75► Pennsylvania, Mercer County, Grove City — Timeline of Grove City Catholicism —

76► Pennsylvania, Mercer County, Grove City — Veterans Honorary —

77► Pennsylvania, Mercer County, Grove City — Veterans Memorial —

78► Pennsylvania, Mercer County, Grove City — War Memorial —

79► Pennsylvania, Mercer County, Grove City — Wendell August —

80► Pennsylvania, Mercer County, Jamestown — Jamestown Community Veterans Memorial —

81► Pennsylvania, Mercer County, Leesburg — Johnston Tavern —

82► Pennsylvania, Mercer County, Maysville — Pennsylvania — Reported missing

83► Pennsylvania, Mercer County, Mercer — General Hugh Mercer —

84► Pennsylvania, Mercer County, Mercer — Mercer County —

85► Pennsylvania, Mercer County, Mercer — The Mercer Soldiers Orphans School —

86► Pennsylvania, Mercer County, Sandy Lake — Maurice K. Goddard — 1912-1995 —

87► Pennsylvania, Mercer County, Sharon — Second Oakland Avenue Bridge —

88► Pennsylvania, Mercer County, Sharpsville — Erie Extension Canal —

89► Pennsylvania, Mercer County, Sharpsville — Erie Extension Canal —

90► Pennsylvania, Mercer County, Sharpsville — Pennsylvania —

91► Pennsylvania, Mercer County, Sharpsville — Sharpsville Veterans Memorial —

92► Pennsylvania, Mercer County, Sheakleyville — James Sheakley —

93► Pennsylvania, Mercer County, Stoneboro — "Freedom Road" —

94► Pennsylvania, Mercer County, West Middlesex — Veterans Memorial —

95► Pennsylvania, Mercer County, West Middlesex — West Middlesex Veterans Memorial —