D.H. Steffens Co.

Private Company, Headquarters Location
317 E Charles St., La Plata, MD 20646-1709, United States
(800)331-1568, (301)884-8551, (301)884-3295 fax, http://www.dhsteffens.com

Primary SIC: Services, Not Elsewhere Classified, Primary NAICS: Other Scientific and Technical Consulting Services
Description: Services: Civil engineering firm offering consultative services in the following areas: planning, surveying, and environmental review. Industries served: commercial, industrial, residential, public sector, and government agencies.

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D.H. Steffens Co., News and Information

Property Transfers
Evanston Review (IL); 2/12/2009; 794 words; ...519 Chicago Ave. Unit H, Timothy D. Freeth to Grant Upson...Edward A. Tiesse, Linda H. Tiesse, $447,500...Park Ave., Yvonne J. Steffens to Karl Angerer, $392...Deutsche Bank Natl Trust Co. Trustee to Thomas D. Cheng, Ying T. Cheng...

BOOK REVIEW: ; Rockefeller met his match in reporter Ida Tarbell
Sunday Gazette-Mail; 4/13/2008; 872 words; ...assigned her to an expose of John D. Rockefeller's Standard Oil Co. (which in 1901 was the biggest...two top men at Standard Oil, H.H. Rogers and Henry Flagler, were...municipal corruption by Lincoln Steffens and one on labor unrest in Pennsylvania...

Muckrakers.(Excerpt)(Reprint)
Nieman Reports; 3/22/2008; 3083 words; ...documentary about J.D. Rockefeller...Board. Lincoln Steffens covers Roosevelt...published by Charles H. Kerr & Co. The Chicago...by Lincoln Steffens. Book is published...Baker, Lincoln Steffens, and Ida Tarbell...RidgewayThayer Co. 1906 Upton Sinclair...

The glnAntrBC operon of Herbaspirillum seropedicae is transcribed by two oppositely regulated promoters upstream of glnA.
Canadian Journal of Microbiology; 1/1/2007; 4192 words; ...microorganisme. Afin d'etudier leur regulation...et le gene glnA de H. seropedicae de meme...faibles concentrations d'ammonium mais aucune...ntrB et ntrC sont co-transcrits a partir...de faibles quantites d'ammonium, mais cette...operon glnAntrBC de H. seropedicae est regule...

The expression of nifB gene from Herbaspirillum seropedicae is dependent upon the NifA and RpoN proteins.(alternative sigma factor, nitrogen fixation)
Canadian Journal of Microbiology; 12/1/2006; 6942 words; ...sous de faibles niveaux d'oxygene, et s'est revelee...du promoteur de nifB chez H. seropedicae est dependante...seropedicae, nif, fixation d'azote, NifA, RpoN...In the environment, H. seropedicae is found colonizing...small molecule (NifB-co), presumably an Fe-S...

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