Bird's-eye view. Perspective map not drawn to scale. A bird's-eye view of Mahanoy City, PA, as it appeared in 1889.
Birds eye view of the town of Bethlehem. West Bethlehem, Lehigh County, Pennsylvania. Published by T. M. Fowler and James B. Moyer, Morrisville, Pa., 1894.
Waynesburg, Greene County, Pennsylvania, by Thaddeus Mortimer. Fowler and James B. Moyer, 1897.  Birdseye view of Waynesburg, Greene County, PA, 1897.
Birds eye view of the town of Windber, with numbered identification legend which includes the following:
9. Windber Planing Mill
10. W.T. Geddes Lumber Co.
13. Scalp Level Planing Mill [Schrecengost]
14. Scalp Level Flouring Mil [Driggs]
15. Berwind White Coal Mining Company, Eureka Mines #s 30-35
Bird's eye view of Windber, Somerset County, PA, 1900.
Birds eye view of the town. Homestead, Pennsylvania, 1902. Drawn by T. M. Fowler
Birds eye view of the town of Duquesne and the Monongahela River,  with numbered identification legend which includes the following:

3. Duquesne Water Works
4. Electric Light Plant
7. Howard Plate Glass Works
8. Carnegie Furnaces
9. Carnegie Steel Works
10. Duquesne Tube Works
11. Oliver Station, P.V. and C. RR
 Duquesne, Allegheny County, Pennsylvania, 1897. Drawn by T. M. Fowler
Birds eye view of the town of Carnegie, with numbered identification legend which includes the following: 
5. Electric Light and Power
6. Ice Plant
9. Chartiers Iron and Steel
10. Planing Mill and Lumber [Gilbert Martin]
11. Lumber Yard [John Davis]
12. M.C. and C. Co. #2
13. Grant Coal Company
Carnegie, Allegheny County, Pennsylvania, 1897. Drawn by T. M. Fowler
Birds eye view of  Latrobe, Pennsylvania 1900. Birds eye view of Latrobe, Pennsylvania 1900. Drawn by T. M. Fowler
Birds eye view of the town of Carbondale, with numbered identification legend which includes the following:
7. Hendricks MFG Co.
9. Grist Mill Brownson and Fowler
10. Planing Mills
11. Breaker, Rease and Mosier
12. Colebrook Breaker
Visible in the upper left corner of the image are two coal breakers Carbondale, Pennsylvania, 1890. Drawn by T. M. Fowler. A. E. Downs, lithograph
Birds eye view of the town of Connellsville, with numbered identification legend which includes the following:
15. Fayette Lumber 
16. Connellsville Machine and Car Co.
18. New Haven Flour Mills
21. P.R.R. Station
22. B and O R.R
Connellsville, Fayette County, Pennsylvania, 1897, drawn by T. M. Fowler.
Birds eye view of the town of Brownsville, with numbered identification legend which includes the following:
10. Machine Shop, John Gregg
12. Aubrey Lumber Co.
14. Peoples Coal Co.
15. Beaumont Mines
16. P.R.R. Station
Brownsville, Fayette County, Pennsylvania, 1902, drawn by T. M. Fowler.
Birds eye view of the town of 
South Fork, with numbered identification legend which includes the following:
3. Opera House
6. Stineman Coal Mining Co.
7. Stineman Coal and Coke Co.
8. Argyle Coal Co.
9. South Fork Coal Mining Co.
10. Planing Mill
South Fork, Cambria County, Pennsylvania 1900. Drawn by T. M. Fowler.
Birds eye view of Pittsburgh Pittsburgh, Pennsylvania 1902. Drawn by T. M. Fowler.
Birds eye view of Wilmerding with number 3 being the General offices of Westinghouse Air Brake and 7 being the Westinghouse Air Brake Company. Wilmerding, Allegheny County, Pennsylvania 1897. Drawn by T. M. Fowler.
Birds eye view of the town of  Dawson, with numbered identification legend which includes the following:
8. Race Course and Ball Ground
9. In the First National Block: Dawson Supply Co., Offices of Washington Coal and Coke, Juniata Coke Co.
16. H.R. Ober Lumber
17. DuRoth Foundry and Machine
18. Dawson Bridge Co.
 
Dawson, Pennsylvania, 1902, drawn and published by T. M. Fowler.
Birds eye view of the town of Gallitzin, with numbered identification legend which includes the following:
2. Opera House
8. Mitchell Coal and Coke
10. Gallitzin Bottling Co.
12. Padula Bottling Co.
Gallitzin, Cambria County, Pennsylvania 1901. Drawn by T. M. Fowler