Abrasion, transport and distribution of sediment in selected streams of Southern Ontario and Western New York /

The rate of decrease in mean sediment size and weight per square metre along a 54 km reach of the Credit River was found to depend on variations in the channel geometry. The distribution of a specific sediment size consist of: (1) a transport zone; (2) an accumulation zone; and (3) a depletion zone. These zones shift downstream in response to downcurrent decreases in stream competence. Along a .285 km man-made pond, within the Credit River study area, the sediment is also characterized by downstream shifting accumulation zones for each finer clast size. The discharge required to initiate movement of 8 cm and 6 cm blocks in Cazenovia Creek is closely approximated by Baker and Ritter's equation. Incipient motion of blocks in Twenty Mile Creek is best predicted by Yalin's relation which is more efficient in deeper flows. The transport distance of blocks in both streams depends on channel roughness and geometry. Natural abrasion and distribution of clasts may depend on the size of the surrounding sediment and variations in flow competence. The cumulative percent weight loss with distance of laboratory abraded dolostone is defined by a power function. The decrease in weight of dolostone follows a negative exponential. In the abrasion mill, chipping causes the high initial weight loss of dolostone; crushing and grinding produce most of the subsequent weight loss. Clast size was found to have little effect on the abrasion of dolostone within the diameter range considered. Increasing the speed of the mill increased the initial amount of weight loss but decreased the rate of abrasion. The abrasion mill was found to produce more weight loss than stream action. The maximum percent weight loss determined from laboratory and field abrasion data is approximately 40 percent of the weight loss observed along the Credit River. Selective sorting of sediment explains the remaining percentage, not accounted for by abrasion.

Genesis and distribution of Mississippi Valley-type ore assemblages in Middle Silurian strata, Niagara Peninsula, Ontario /

Presently non-commercial occurrences of Mississippi Valley-type ore assemblages in the Middle Silurian strata of the Niagara Peninsula have been studied. Based on this detailed study, a new poly-stage genetic model is proposed which relates ore mineralization in carbonate environments to the evolution of the sedimentary basin. Sulphide ore mineralization occurred during two episodes: 1. During the late diagenesis stage, which is characterized by compaction-maturation of the sediments, the initial mineralization took place by upward and outward movement of connate waters. Metals were probably supplied from all the sediments regardless of their specific lithologies. However, clay minerals were possibly the main contributors. The possible source of sulphur was from petroleum-type hydrocarbons presently mixed with the sediments at the site of ore deposition. Evidence for this is the fact that the greatest abundance of ore minerals is in petroliferous carbonates. The hydrocarbons probably represent liquids remaining after upward migration to the overlying Guelph-Salina reservoirs. The majority of sphalerite and galena formed during this period, as well as accessory pyrite, marcasite, chalcopyrite, chalcocite, arsenopyrite, and pyrrhotite; and secondary dolomite, calcite, celestite, and gypsum. 2. During the presently ongoing surface erosion and weathering phase, which is marked by the downward movement of groundwater, preexisting sulphides were probably remobilized, and trace amounts of lead and zinc were leached from the host material, by groundwaters. Metal sulphides precipitated at, or below, the water table, or where atmospheric oxygen could raise the Eh of groundwaters to the point where soluble metal complexes are unstable and native sulphur co-precipitates with sphalerite and galena. This process, which can be observed today, also results in the transport and deposition of the host rock material. Breakdown of pre-existing sulphide and sulphate, as well as hydrocarbon present in the host rock, provided sulphur necessary for sulphide precipitation. The galena and sphalerite are accompanied by dolomite, calcite, gypsum, anglesite, native sulphur and possibly zincite.

The effect of nitrate fertilization on the distribution of exported 14c-photosynthate in nodulated soybean (Glycine max (L.) Merr.) plants

Soybean (Glycine ~ (L.) Merr. cv. Harosoy 63) plants inoculated with Rhizobium japonicum were grown in vermiculite in the presence or absence of nitrate fertilization for up to 6 weeks after planting. Overall growth of nodulated plants was enhanced in the presence of nitrate fertilization, while the extent of nodule development was reduced. Although the number of nodules was not affected by nitrate fertilization when plants were grown at a light intensity limiting for photosynthesis, at light intensities approaching or exceeding the light saturation point for photosynthesis, nitrate fertilization resulted in at least a 30% reduction in nodule numbers. The mature, first trifoliate leaf of 21 day old plants was allowed to photoassimi1ate 14C02. One hour after·· the initial exposure to 14C02, the , plants were harvested and the 14C radioactivity was determined in the 80% ethanol-soluble fraction: in. o:rider to assess· "the extent of photoassimilate export and the pattern of distribution of exported 14C. The magnitude of 14C export was not affected by the presence of nitrate fertilization. However, there was a significant effect on the distribution pattern, particularly with regard to the partitioning of 14C-photosynthate between the nodules and the root tissue. In the presence of nitrate fertilization, less than 6% of the exported 14C photosynthate was recovered from the nodules, with much larger amounts (approximately 37%) being recovered from the root tissue. In the absence of nitrate fertilization, recovery of exported 14C-photosynthate from the nodules (19 to 27%) was approximately equal to that from the root tissue (24 to 33%). By initiating- or terminating the applications of nitrate at 14 days of age, it was determined that the period from day 14 to day 21 after planting was particularly significant for the development of nodules initiated earlier. Addition of nitrate fertilization at this time inhibited further nodule development while stimulating plant growth, whereas removal of nitrate fertilization stimulated nodule development. The results obtained are consistent with the hypothesis that nodule development is inhibited by nitrate fertilization through a reduction in the availability of photosynthate to the nodules.

Report of the Committee appointed to inquire into the Present condition and distribution of the flags, standards and colors, which have been taken by the forces of the United States from their enemies, and whether it would be expedient to make any provision in relation to them.--

Adam Seybet, Chairman.

Distribution of excitation energy in photosynthesis: a study of heat loss, photo chemical activity and fluorescence emission in intact calls of cyanobacterium.

Photosynthetic state transitions were investigated in the cyanobacterium Synechococcus sp. PCC 6301 by studying fluorescence emission, heat loss, and PS I activity in intact cells brought to state 1 and state 2. 77K fluorescence emission spectra were modelled with a sum of 6 components corresponding to PBS, PS II, and PS I emissions. The modelled data showed a large decrease in PS II fluorescence accompanied with a small increase in the PS I fluorescence upon transition to state 2 for excitation wavelengths absorbed by both PBS and ChI ll.. The fluorescence changes seen with ChI .a. excitations do not support the predictions of the mobile PBS model of state transition in PBS-containing organisms. Measurements of heat loss from intact cells in the two states were similar for both ChI it. and PBS excitations over three orders of magnitude of laser flash intensity. This suggests that the PBS does not become decoupled from PS II in state 2 as proposed by the PBS detachment model of state transition in PBS-containing organisms. PS I activity measurements done on intact cells showed no difference in the two states, in contrast with the predictions of all of the existing models of state transitions. Based on these results a model for state transition In PBScontaining organisms is proposed, with a PS II photoprotectory function.

Electrical Development Company of Ontario certificate of stock ownership, ca. 1910.

The Electrical Development Company of Ontario was created in 1903. It was one of three private power companies that had water power leases with the Niagara Parks Commission, but was the only one that was financed with Canadian capital. The company built the Toronto Power Generating Station at Niagara Falls beginning in 1906, and the power house was completed in 1913. During the construction, there was much debate about whether the utility should remain privately operated or become a public utility. In 1920, the company became part of the public utility.

Comitum princeps tu mihi eris: Rape and the Distribution of Auctoritas in Ovid's Fasti

In Ovid’s Fasti, the rape narratives of Callisto, Lara, Flora, and Carna contain the common themes of the distribution of auctoritas and/or the subversion of auctoritas. While all four characters are victims of rape, Callisto loses auctoritas as a result of her rape by Jupiter, whereas Flora and Carna gain auctoritas from their rapes by Zephyrus and Janus respectively. Since Ovid associated Augustus with Jupiter on more than one occasion in the poem, it appears that readers were meant to see a parallel between Jupiter’s dealings with auctoritas in these narratives and Augustus’ exercise of his auctoritas over Rome. Zephyrus’ and Janus’ bestowal of auctoritas upon their victims was intended to be a foil for Jupiter’s denial of auctoritas to Callisto and strict regulation of his own auctoritas, which Lara’s narrative exemplifies, in order for Ovid to criticize the overwhelming nature of Augustus’ auctoritas, as well as specific Augustan policies.

Indenture of Land Sold by Jacob Cochanour to Adam Hutt

Indenture regarding land sold by Jacob Cochanour of Flamborough West to Adam Hutt of Stamford Township. This land included 100 acres in Lot. no. 11, Stamford - instrument no. 5057, July 9, 1816.

Indenture of Land Sold by David Secord to George Shaw, Richard Woodruff, Timothy Street, Josiah Brown, Henry Pope

Indenture regarding land sold by David Secord of St. Davids to George Shaw, Richard Woodruff, Timothy Street and Josiah Brown, all of Niagara Township and Reverend Henry Pope of York. The land includes part of Lot no. 90 in the Township of Niagara. September 5, 1820.

Indenture of Land Sold by Solomon Quick to Henry Woodruff

Indenture regarding land sold by Solomon Quick of Niagara Township to Henry Woodruff from London District consisting of 1/4 acre and 4 perches in the Village of St. Davids. This was registered on February 2, 1826 - instrument no. 6761, February 3, 1821.

Indenture of Land Sold by Benjamin Middough to William Woodruff

Indenture stating that Benjamin Middough of Stamford sold a tract of land in the County of Oxford, district of London to William Woodruff of Niagara. The land consisted of 200 acres on lot 34 of the 2nd Concession. This transaction was registered on August 4, 1834 - instrument no. 2413. The date of sale was January 17, 1823.

Indenture of Land Sold by John Robertson to John Jackson

Indenture regarding land sold by John Robertson of Niagara to John Jackson of Niagara. This transaction is for part of Lot no. 93 in Niagara Township. This document was registered in the Lincoln and Haldimand Registry on September 10, 1823 in Book J folio 322 - instrument no. 6357. Date of transaction was May 5, 1823.

Indenture Lease of Land by David Secord to Richard and William Woodruff

Indenture stating that David Secord of the Township of Niagara leased the dam of the sawmill pond in St. Davids to Richard and William Woodruff for 25 shillings per year for their mill business, May 2, 1824.

Indenture of Land Sold by George Shaw to Richard and William Woodruff

Indenture stating that George Shaw of Niagara sold 1 acre, 2 roods and 1 perch in the Village of St. Davids to Richard and William Woodruff. The price was 66 pounds - instrument no. 6926, June 9, 1824.

Sale of Land for Taxes to W.H. Dickson

Notice of sale of land for taxes to W. H. Dickson. This is a handwritten document. The land consists of 4 acres of Lot no. 12 in the 5th Concession of Wainfleet. This is dated May 23, 1857 [signatures are illegible]. On the back there is a note that Walter Hamilton Dickson has transferred this land to Joseph Augustus Woodruff, Dec. 3, 1861.