At ( Middle Cambrian ) old it is one of the earliest fossil beds containing the imprints of soft-parts.

At one point in the earliest 1940s, approximately half of all the pulp sf and fantasy magazines in the U. S. were being edited by Futurians: Frederik Pohl at the Popular Publications offshoot Fictioneers, Inc. ( Astonishing Stories and Super-Science Stories ); Robert Lowndes at Columbia Publications, most notably with Science Fiction and Future Fiction ( though through the decade to come, Lowndes's responsibilities would expand to other types of fiction magazine in the chain ), and Donald Wollheim at the very marginal Albing Publications with the short-lived, micro-budgeted Cosmic Stories and Stirring Science Stories ( Wollheim soon moved on to Avon Books ; Doë " Leslie Perri " Baumgardt also worked on a romance fiction title for Albing ).

At this battle the Mongols not only used gunpowder in early Chinese firearms but in the earliest grenades as well.

At Mrs. Wallington's school, she was taught by the evangelical Maria Lewis — to whom her earliest surviving letters are addressed.

At its peak over 1100 mills operated in this valley, including Slater's mill, and with it the earliest beginnings of America's Industrial and Technological Development.

At its core, the Tanakh is an account of the Israelites ' relationship with God from their earliest history until the building of the Second Temple ( c. 535 BCE ).

At that year's Salon, he exhibited Haymakers and The Sower, his first major masterpiece and the earliest of the iconic trio of paintings that would include The Gleaners and The Angelus.

At the approximate age of twenty-two, his earliest known major professional artistic work was created, a cover for a Kabuki playbook in 1775 that was published under a pseudonym, the gō of Toyoaki.

At the time her earliest stories were being published in 1949-50, she received a B. A.

At the top is the earliest example of the " seven plus five " layout.

At one of the earliest stops, the lady of the house ordered Tubman to sweep the yard to make it appear as though she worked for the family.

At the earliest historical period, the territories between the Ardennes and the Rhine were occupied by the Treveri, the Eburones and other Celtic tribes, who, however, were all more or less modified and influenced by their Germanic neighbours.

At the age of 14 he was apprenticed to a stonemason, and some of his earliest work can still be seen on the bridge across the River Esk in Langholm in the Scottish borders.

At Hathras, he met Sharat Chandra Gupta, a railway station master who later became one of his earliest disciples as Sadananda.

At the earliest historical period, the territories between the Ardennes and the Rhine were occupied by the Treveri, the Eburones and other Celtic tribes, who, however, were all more or less modified and influenced by their Germanic neighbours.

At the time, this was believed to be the earliest occurrence of life on land.

At around 400 million years old, the Rhynie chert contains the earliest fossil assemblage yielding plants preserved in sufficient detail to detect mycorrhizas-and they are indeed observed in the stems of Aglaophyton major.

At the Keilor Archaeological Site a human hearth excavated in 1971 was radiocarbon-dated to about 31, 000 years BP, making Keilor one of the earliest sites of human habitation in Australia.

At the suggestion of August Derleth, he rewrote many of his earliest stories, which he had originally set in the Massachusetts locales of Arkham, Dunwich and Innsmouth, and relocated them to English settings in and around the fictional Gloucestershire city of Brichester, near the River Severn, creating his own Severn Valley milieu for Lovecraftian horrors.

At first, the sound films incorporating synchronized dialogue — known as " talking pictures ", or " talkies "— were exclusively shorts ; the earliest feature-length movies with recorded sound included only music and effects.

: At first, in the earliest months of Prince Valiant, Foster ’ s Arthurian England might easily be confused with the Cimmeria of Conan the Barbarian: monsters abound.

At the time of the earliest English settlement, the independent Chickahominy people occupied territory surrounded by numerous tribes of the powerful Powhatan Confederacy, of which they were not a part.

At its earliest it dates from the 17th century but has been much extended and restored, particularly in the period 1896 to 1903 when a large Edwardian wing was added to the south side.

At its earliest it dates from the 17th century but has been much extended and restored, particularly in the period 1896 to 1903 when a large Edwardian wing was added to the south side.

At certain critical stages, and only for sound diagnostic reasons, it may be important to accompany family members in their use of these resources if their problem-solving behavior is to be constructive rather than defeating.

At this point during the pre-mission preparations, the Saturn V rocket's three stages were powered up and drinking water was pumped into the spacecraft.

At various stages of stellar evolution, the nuclei required for this process will be exhausted, and the core will collapse, causing it to become denser and hotter.

At any rate, the use of infinitesimals was widespread during the formative stages of the Differential and Integral Calculus.

At the various stages of a player's career, a coach will tailor drills to meet the strategic requirements of the team.

At times, dreams may occur during other stages of sleep.

At any given time Emerson is said to have owned several L-100 models, in various stages of repair, to support his act.

* At the end of the playoffs, the winner receives the country's second Champions League place, and the remaining teams receive Europa League berths, entering the competition at different stages according to their playoff finishes.

At the 2008 New York Comic Con, Dan DiDio described how Crisis on Infinite Earths was the first of a trilogy of " Crisis " limited series that showed different stages in the development of the DC Multiverse.

At later stages of the planning process, the IFBs could present a number of annual plans consistent with the participatory planning results, to be chosen by a popular vote.

At the Brazilian Grand Prix, Hill qualified and spent the early stages of the race running second behind Prost, and then took the lead when Prost crashed out, but was relegated back to second by another triple world champion, Ayrton Senna.

At the early stages, the project received positive feedback from other LucasArts employees but according to Tiller, it eventually fell apart because of disagreements on the game style between the productive team and " a particularly influential person " within the management, which lead to a series of " mistakes ".

At 104 seconds after launch, communications with the upper stages was lost and the payload was stripped off followed by the third stage.

At this stage the French and German rocket stages were mere fibre-glass scale models.

* At different stages in his life, Napoleon I of France wrote extensive comments to The Prince.

At the Dunrod TT, sharing the D Type with Dennis Titterington, saw Hawthorn pass Fangio twice, only to lose in the final stages when, running on full tanks, he was passed by Moss ; the D Type's engine failed on the last lap.

At certain stages in their development, the hierarchies of social ranks implied different degrees or ranks of leadership in society.

At certain development stages they grow branched projections, the dendrites that give the cell its name ( δένδρον or déndron being Greek for " tree ").

At some stages in its history it has dispensed with a principal conductor and worked only with guests.

Looking back at the early stages of his career, Black recalled: "' At one point, I knew I crossed this line out of obscurity and I felt like no matter what happened from that point on I would always be remembered for " Killin ' Time.

At some point during the earlier stages of the 1930's depression, Fred's father lost virtually all he had and the family moved to poorer districts in the city.

At the early stages of filming, stars Connelly and Bowie found it difficult to interact naturally with the puppets they shared most of their scenes with.

At all stages, steps must be taken to ensure that oxygen is neither introduced to nor lost from the sample.

At the latter stages of the qualifying series for the 2006 FIFA World Cup in October 2005, he was re-called back into the national team, though not as captain.