858 NEW yoke: state museum 



Onondaga co., but it was in operation only a short time, and lias 

 been shut down since 1894. 



In 1900, however, two companies commenced the manufacture 

 of Portland cement from limestone and clay, burned in rotary 

 kilns. Descriptions of these plants, as well as a summary of the 

 condition of the Portland cement industry in IsTew York up to 

 May 1901, will be found in the paper previously cited. ■*• One addi- 

 tional plant, and less certainly two others of the same type, will 

 commence operations during the present year, 



Por a detailed description of the present plants and conditions 

 of the industry in New York, I must refer the reader to my 

 recent paper on that subject. In the present paper it is only 

 possible to give the following summary of those now operating. 



Plants in New York in 1900 



American Portland cement co. Jordan, Onondaga co'. Ma- 

 terials, marl and clay in dome kilns. Erected 1892. Shut down 

 during 1900. Brand, " Giant (Jordan) ". 



Catskill cement co. Smiths Landing, Greene co. Materials, 

 limestone and clay in rotary kilns. Commenced shipping, July 

 1900, the " Catskill" brand. 



Empire Portland cement co. Warners, Onondaga co. Built in 

 1886. Materials, marl and clay in dome kilns. Brands, " Em- 

 pire '' and " Plint ". 



Glens Falls Portland cement co. Glens Palls, Warren co. Built 

 in 1894. Burned in August 1899. Pecommenced shipping, 

 August 1900. Materials, limestone and clay burned in Schofer 

 kilns. Brands, " Iron Clad " and " Victor ". 



Helderberg cement co. Howe Cave, Schoharie co. Began opera- 

 tions in 1898. Since 1900 the enlarged plant has been making 

 extensive shipments. Materials, limestone and clay burned in 

 rotary kilns. Brand, " Helderberg ". 



1 Eckel, E. C. Portland cement industry in New York, [see Eng. news. 

 May 16, 1901) This paper has been rewritten and abbreviated, and in this 

 form is now (Jan. 1902) presented as Appendix B. 



