2. Ganley AR, Kobayashi T (2007) Highly efficient concerted evolution in the Wilhelm Roux's Archives 188: 4553. ribosomal DNA repeats: total rDNA repeat variation revealed by whole-genome 10. Van de Vyver G (1970) La non confluence intraspecifique chez les spongiaires et shotgun sequence data. Genome Res 17: 184191. la notion d9individu. Ann Embryol Morph 3: 251262. 3. Alvarez I, Wendel JF (2003) Ribosomal ITS sequences and plant phylogenetic 11. Murray MG, Thompson WF (1980) Rapid isolation of high molecular weight inference. Mol Phylogenet Evol 29: 417434. plant DNA. Nucleic Acids Res 8: 43214325. 4. Queiroz C de S, Batista FR, de Oliveira LO (2011) Evolution of the 5.8S 12. Higuchi M, Maas S, Single FN, Hartner J, Rozov A, et al. (2000) Point mutation
The first major iron truss with pin connections was built in the USA in 1859, and the earliest iron cantilever in Germany in 1867, over the Main at Hassfurt. Figure 11 Bollman Bridge (c 1869), Savage, Maryland (USA). This pre-restoration photograph shows the paired stanchions located at mid-span that support the anchorage block where the radiating suspension stays all meet in pinned connection. The octagonal profile of the vertical and horizontal compression members was a design motif of Wendel Bollman, the bridge's designer. He, along with Albert Fink, who designed a similar type of structure known as the Fink truss, motivated the chief engineer of the Baltimore & Ohio Railroad, Benjamin Henry Latrobe III, to use iron bridges exclusively for the system's major spans. William Barrett, HAER Collection Another important composite iron truss surviving from the early period of iron bridge construction is the Bollman bridge (c 1869) at Savage, Maryland (USA) (Figure 11).
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