Child labor in small scale coal mining: sociocultural and economic diagnosis of the municipality of Sogamoso, Boyaca

Social problems in mines other than coal mines
Publié: (1957)

The coal-mining safety conference of the European coal and steel community
Publié: (1957)

Child labour in the artisanal and small-scale gold mining (ASGM) sector in Nigeria: a situational analysis
Publié: (2023)

Safety and working conditions in small scale mining: the case of selected small-scale metallic mine sin the Philippines
par: Malorie Joy O. Mones
Publié: (2018)

An inquiry into working conditions in coal mines
par: F. Maurette
Publié: (1928)

Life and work in a coal mine
par: Jef Rens
Publié: (1954)

Labour conditions in Japanese coal mines
Publié: (1922)

Serodiagnóstico de Paratuberculosis en bovinos del municipio de Sogamoso, Boyacá (Colombia)
par: Diana María Bulla-Castañeda
Publié: (2020)

Miocene macroflora of the Mangdan coal mine (China)
par: Zhao, Liang-Cheng, et autres
Publié: (2004)

Miocene palaeoclimate of the Mangdan coal mine (China)
par: Zhao, Liang-Cheng, et autres
Publié: (2004)

The international regulation of hours of work in coal mines
Publié: (1931)

Hours and earnings in coal mining in the United States
Publié: (1921)

Overtime in coal mines in some European countries
Publié: (1931)

Compromise solutions in mining method selection - case study in colombian coal mining
par: Jorge Iván Romero-Gélvez
Publié: (2015)

Amalgamation and small-scale gold mining in the ancient Andes
par: William E. Brooks
Publié: (2011)

The preparatory technical conference on conditions of employment in coal mines
par: F. Maurette
Publié: (1930)

Wages and hours of work in the coal-mining industry in 1929
Publié: (1931)

Annual holidays with pay for miners employed in coal mines
Publié: (1930)

Wages and hours of work in the coal-mining industry in 1931
Publié: (1933)

An hypothesis for the fundamental mechanism of instantaneous outbursts of gas and coal during the mining of certain coal seams
par: Dulhunty, John Allan
Publié: (1959)

Minors out of mining: partnership for global action against child labour in small-scale mining
Publié: (2006)

Geometallurgical methodology to improve the small-scale gold mining process of the Gualconda mine in Nariño – Colombia
par: Eliana Katherine Molina-Ramírez
Publié: (2021)

Safety & health in small-scale surface mines: a handbook
par: Manfred Walle, et autres
Publié: (2001)

Assessing the potential for solar development on coal mine land in India
par: Singh, Kirat
Publié: (2025)

System of remuneration in the coal mines of the Ukrainian soviet socialist Republic
par: V. Zatsepilin
Publié: (1960)

Wages and hours of work in the coal-mining industry in 1927: II
Publié: (1929)

Wages and hours of work in the coal-mining industry in 1927: I
Publié: (1929)

$725M available to reclaim US abandoned coal mines
par: Kelly Sullivan
Publié: (2025)

Elemental composition of vegetables cultivated over coal-mining waste
par: JAIRO J. ZOCCHE
Publié: (2017)

Diversity and coverage of weed species in farms of small properties in eight municipalities, department of Boyacá, Colombia
par: Leónides Castellanos González
Publié: (2022)

Production and labour in United States coal mines: the report of the United States coal commission of 1922-1923. [I]
par: Edward T. Devine
Publié: (1924)

Production and labour in United States coal mines: the report of the United States coal commission of 1922-1923. [II]
par: Edward T. Devine
Publié: (1924)

El Programa de Alimentación Escolar mas alla de educar y nutrir. Caso Sogamoso, Boyaca. Colombia
par: Orlando Velasco Ulloa
Publié: (2019)

Visual analysis of coal mine safety using CiteSpace V
par: Xuesen Zhang, et autres
Publié: (2024)

An early warning system to monitor strata behaviour and predict roof fall in UG coal mines during coal extraction
par: Rajpurohit, Pushpendra, et autres
Publié: (2016)

Effect of coal gasification coarse slag on soil water and nutrition at an arid opencast coal mine site in Northwest China
par: Xiaonan Li, et autres
Publié: (2024)